Home / 50,999.10-76,498.65-39,189.30

Finding the Fourth Proportional to 50,999.10, 76,498.65 and 39,189.30

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Solution

The fourth proportional to 50,999.10, 76,498.65 and 39,189.30 is: 58,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.10 : 76,498.65 = 39,189.30 : x
  2. Step 2: Convert to fraction form
    50,999.10/76,498.65 = 39,189.30/x
  3. Step 3: Cross multiply
    50,999.10x = 76,498.65 × 39,189.30
  4. Step 4: Simplify right side
    50,999.10x = 2,997,928,544.45
  5. Step 5: Solve for x
    x = 2,997,928,544.45/50,999.10
  6. Step 6: Final answer
    x = 58,783.95

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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.