Home / 63,930.11-88,221.42-40,069.94

Finding the Fourth Proportional to 63,930.11, 88,221.42 and 40,069.94

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Solution

The fourth proportional to 63,930.11, 88,221.42 and 40,069.94 is: 55,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,930.11 : 88,221.42 = 40,069.94 : x
  2. Step 2: Convert to fraction form
    63,930.11/88,221.42 = 40,069.94/x
  3. Step 3: Cross multiply
    63,930.11x = 88,221.42 × 40,069.94
  4. Step 4: Simplify right side
    63,930.11x = 3,535,026,565.01
  5. Step 5: Solve for x
    x = 3,535,026,565.01/63,930.11
  6. Step 6: Final answer
    x = 55,295.18

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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.