Home / 50,840.60-76,260.90-40,999.10

Finding the Fourth Proportional to 50,840.60, 76,260.90 and 40,999.10

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Solution

The fourth proportional to 50,840.60, 76,260.90 and 40,999.10 is: 61,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.60 : 76,260.90 = 40,999.10 : x
  2. Step 2: Convert to fraction form
    50,840.60/76,260.90 = 40,999.10/x
  3. Step 3: Cross multiply
    50,840.60x = 76,260.90 × 40,999.10
  4. Step 4: Simplify right side
    50,840.60x = 3,126,628,265.19
  5. Step 5: Solve for x
    x = 3,126,628,265.19/50,840.60
  6. Step 6: Final answer
    x = 61,498.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.