Home / 113,839.79-157,098.17-62,855.70

Finding the Fourth Proportional to 113,839.79, 157,098.17 and 62,855.70

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Solution

The fourth proportional to 113,839.79, 157,098.17 and 62,855.70 is: 86,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,839.79 : 157,098.17 = 62,855.70 : x
  2. Step 2: Convert to fraction form
    113,839.79/157,098.17 = 62,855.70/x
  3. Step 3: Cross multiply
    113,839.79x = 157,098.17 × 62,855.70
  4. Step 4: Simplify right side
    113,839.79x = 9,874,515,444.07
  5. Step 5: Solve for x
    x = 9,874,515,444.07/113,839.79
  6. Step 6: Final answer
    x = 86,740.46

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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.