Home / 63,151.28-87,154.08-34,863.20

Finding the Fourth Proportional to 63,151.28, 87,154.08 and 34,863.20

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Solution

The fourth proportional to 63,151.28, 87,154.08 and 34,863.20 is: 48,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,151.28 : 87,154.08 = 34,863.20 : x
  2. Step 2: Convert to fraction form
    63,151.28/87,154.08 = 34,863.20/x
  3. Step 3: Cross multiply
    63,151.28x = 87,154.08 × 34,863.20
  4. Step 4: Simplify right side
    63,151.28x = 3,038,470,121.86
  5. Step 5: Solve for x
    x = 3,038,470,121.86/63,151.28
  6. Step 6: Final answer
    x = 48,114.15

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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.