Home / 113,374.38-156,458.07-62,392.98

Finding the Fourth Proportional to 113,374.38, 156,458.07 and 62,392.98

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Solution

The fourth proportional to 113,374.38, 156,458.07 and 62,392.98 is: 86,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,374.38 : 156,458.07 = 62,392.98 : x
  2. Step 2: Convert to fraction form
    113,374.38/156,458.07 = 62,392.98/x
  3. Step 3: Cross multiply
    113,374.38x = 156,458.07 × 62,392.98
  4. Step 4: Simplify right side
    113,374.38x = 9,761,884,920.38
  5. Step 5: Solve for x
    x = 9,761,884,920.38/113,374.38
  6. Step 6: Final answer
    x = 86,103.09

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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.