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Finding the Fourth Proportional to 69,958.98, 96,542.28 and 38,128.14

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Solution

The fourth proportional to 69,958.98, 96,542.28 and 38,128.14 is: 52,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.98 : 96,542.28 = 38,128.14 : x
  2. Step 2: Convert to fraction form
    69,958.98/96,542.28 = 38,128.14/x
  3. Step 3: Cross multiply
    69,958.98x = 96,542.28 × 38,128.14
  4. Step 4: Simplify right side
    69,958.98x = 3,680,977,567.76
  5. Step 5: Solve for x
    x = 3,680,977,567.76/69,958.98
  6. Step 6: Final answer
    x = 52,616.23

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