Home / 62,158.28-85,810.20-42,121.04

Finding the Fourth Proportional to 62,158.28, 85,810.20 and 42,121.04

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Solution

The fourth proportional to 62,158.28, 85,810.20 and 42,121.04 is: 58,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,158.28 : 85,810.20 = 42,121.04 : x
  2. Step 2: Convert to fraction form
    62,158.28/85,810.20 = 42,121.04/x
  3. Step 3: Cross multiply
    62,158.28x = 85,810.20 × 42,121.04
  4. Step 4: Simplify right side
    62,158.28x = 3,614,414,866.61
  5. Step 5: Solve for x
    x = 3,614,414,866.61/62,158.28
  6. Step 6: Final answer
    x = 58,148.57

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1.5x scale

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.