Home / 113,013.68-155,959.80-62,713.52

Finding the Fourth Proportional to 113,013.68, 155,959.80 and 62,713.52

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Solution

The fourth proportional to 113,013.68, 155,959.80 and 62,713.52 is: 86,545.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,013.68 : 155,959.80 = 62,713.52 : x
  2. Step 2: Convert to fraction form
    113,013.68/155,959.80 = 62,713.52/x
  3. Step 3: Cross multiply
    113,013.68x = 155,959.80 × 62,713.52
  4. Step 4: Simplify right side
    113,013.68x = 9,780,788,036.50
  5. Step 5: Solve for x
    x = 9,780,788,036.50/113,013.68
  6. Step 6: Final answer
    x = 86,545.17

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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.