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Finding the Fourth Proportional to 93,584.97, 129,182.45 and 63,525.87

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Solution

The fourth proportional to 93,584.97, 129,182.45 and 63,525.87 is: 87,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,584.97 : 129,182.45 = 63,525.87 : x
  2. Step 2: Convert to fraction form
    93,584.97/129,182.45 = 63,525.87/x
  3. Step 3: Cross multiply
    93,584.97x = 129,182.45 × 63,525.87
  4. Step 4: Simplify right side
    93,584.97x = 8,206,427,207.35
  5. Step 5: Solve for x
    x = 8,206,427,207.35/93,584.97
  6. Step 6: Final answer
    x = 87,689.59

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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.