Home / 50,999.51-76,499.11-13,559.55

Finding the Fourth Proportional to 50,999.51, 76,499.11 and 13,559.55

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Solution

The fourth proportional to 50,999.51, 76,499.11 and 13,559.55 is: 20,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.51 : 76,499.11 = 13,559.55 : x
  2. Step 2: Convert to fraction form
    50,999.51/76,499.11 = 13,559.55/x
  3. Step 3: Cross multiply
    50,999.51x = 76,499.11 × 13,559.55
  4. Step 4: Simplify right side
    50,999.51x = 1,037,293,715.06
  5. Step 5: Solve for x
    x = 1,037,293,715.06/50,999.51
  6. Step 6: Final answer
    x = 20,339.29

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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.