Home / 71,097.92-98,114.82-39,266.66

Finding the Fourth Proportional to 71,097.92, 98,114.82 and 39,266.66

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Solution

The fourth proportional to 71,097.92, 98,114.82 and 39,266.66 is: 54,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,097.92 : 98,114.82 = 39,266.66 : x
  2. Step 2: Convert to fraction form
    71,097.92/98,114.82 = 39,266.66/x
  3. Step 3: Cross multiply
    71,097.92x = 98,114.82 × 39,266.66
  4. Step 4: Simplify right side
    71,097.92x = 3,852,641,277.90
  5. Step 5: Solve for x
    x = 3,852,641,277.90/71,097.92
  6. Step 6: Final answer
    x = 54,187.82

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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.