Home / 112,414.60-155,124.66-62,112.52

Finding the Fourth Proportional to 112,414.60, 155,124.66 and 62,112.52

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Solution

The fourth proportional to 112,414.60, 155,124.66 and 62,112.52 is: 85,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,414.60 : 155,124.66 = 62,112.52 : x
  2. Step 2: Convert to fraction form
    112,414.60/155,124.66 = 62,112.52/x
  3. Step 3: Cross multiply
    112,414.60x = 155,124.66 × 62,112.52
  4. Step 4: Simplify right side
    112,414.60x = 9,635,183,546.74
  5. Step 5: Solve for x
    x = 9,635,183,546.74/112,414.60
  6. Step 6: Final answer
    x = 85,711.14

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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.