Home / 113,373.19-156,456.42-62,391.79

Finding the Fourth Proportional to 113,373.19, 156,456.42 and 62,391.79

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Solution

The fourth proportional to 113,373.19, 156,456.42 and 62,391.79 is: 86,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373.19 : 156,456.42 = 62,391.79 : x
  2. Step 2: Convert to fraction form
    113,373.19/156,456.42 = 62,391.79/x
  3. Step 3: Cross multiply
    113,373.19x = 156,456.42 × 62,391.79
  4. Step 4: Simplify right side
    113,373.19x = 9,761,596,100.79
  5. Step 5: Solve for x
    x = 9,761,596,100.79/113,373.19
  6. Step 6: Final answer
    x = 86,101.45

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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.