Home / 93,899.13-129,581.82-51,456.75

Finding the Fourth Proportional to 93,899.13, 129,581.82 and 51,456.75

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Solution

The fourth proportional to 93,899.13, 129,581.82 and 51,456.75 is: 71,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,899.13 : 129,581.82 = 51,456.75 : x
  2. Step 2: Convert to fraction form
    93,899.13/129,581.82 = 51,456.75/x
  3. Step 3: Cross multiply
    93,899.13x = 129,581.82 × 51,456.75
  4. Step 4: Simplify right side
    93,899.13x = 6,667,859,316.29
  5. Step 5: Solve for x
    x = 6,667,859,316.29/93,899.13
  6. Step 6: Final answer
    x = 71,010.87

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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.