Home / 113,818.28-157,077.92-62,840.82

Finding the Fourth Proportional to 113,818.28, 157,077.92 and 62,840.82

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Solution

The fourth proportional to 113,818.28, 157,077.92 and 62,840.82 is: 86,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.28 : 157,077.92 = 62,840.82 : x
  2. Step 2: Convert to fraction form
    113,818.28/157,077.92 = 62,840.82/x
  3. Step 3: Cross multiply
    113,818.28x = 157,077.92 × 62,840.82
  4. Step 4: Simplify right side
    113,818.28x = 9,870,904,982.49
  5. Step 5: Solve for x
    x = 9,870,904,982.49/113,818.28
  6. Step 6: Final answer
    x = 86,725.13

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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.