Home / 113,375.19-156,459.18-62,393.79

Finding the Fourth Proportional to 113,375.19, 156,459.18 and 62,393.79

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Solution

The fourth proportional to 113,375.19, 156,459.18 and 62,393.79 is: 86,104.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,375.19 : 156,459.18 = 62,393.79 : x
  2. Step 2: Convert to fraction form
    113,375.19/156,459.18 = 62,393.79/x
  3. Step 3: Cross multiply
    113,375.19x = 156,459.18 × 62,393.79
  4. Step 4: Simplify right side
    113,375.19x = 9,762,081,220.49
  5. Step 5: Solve for x
    x = 9,762,081,220.49/113,375.19
  6. Step 6: Final answer
    x = 86,104.21

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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.