Home / 93,886.38-129,487.79-82,531.73

Finding the Fourth Proportional to 93,886.38, 129,487.79 and 82,531.73

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Solution

The fourth proportional to 93,886.38, 129,487.79 and 82,531.73 is: 113,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,886.38 : 129,487.79 = 82,531.73 : x
  2. Step 2: Convert to fraction form
    93,886.38/129,487.79 = 82,531.73/x
  3. Step 3: Cross multiply
    93,886.38x = 129,487.79 × 82,531.73
  4. Step 4: Simplify right side
    93,886.38x = 10,686,850,262.48
  5. Step 5: Solve for x
    x = 10,686,850,262.48/93,886.38
  6. Step 6: Final answer
    x = 113,827.48

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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.