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Finding the Fourth Proportional to 63,809.33, 88,066.67 and 38,329.88

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Solution

The fourth proportional to 63,809.33, 88,066.67 and 38,329.88 is: 52,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809.33 : 88,066.67 = 38,329.88 : x
  2. Step 2: Convert to fraction form
    63,809.33/88,066.67 = 38,329.88/x
  3. Step 3: Cross multiply
    63,809.33x = 88,066.67 × 38,329.88
  4. Step 4: Simplify right side
    63,809.33x = 3,375,584,261.12
  5. Step 5: Solve for x
    x = 3,375,584,261.12/63,809.33
  6. Step 6: Final answer
    x = 52,901.11

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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.