Home / 63,860.10-88,129.66-35,565.78

Finding the Fourth Proportional to 63,860.10, 88,129.66 and 35,565.78

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Solution

The fourth proportional to 63,860.10, 88,129.66 and 35,565.78 is: 49,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,860.10 : 88,129.66 = 35,565.78 : x
  2. Step 2: Convert to fraction form
    63,860.10/88,129.66 = 35,565.78/x
  3. Step 3: Cross multiply
    63,860.10x = 88,129.66 × 35,565.78
  4. Step 4: Simplify right side
    63,860.10x = 3,134,400,099.03
  5. Step 5: Solve for x
    x = 3,134,400,099.03/63,860.10
  6. Step 6: Final answer
    x = 49,082.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.