Home / 113,639.41-156,819.49-62,650.95

Finding the Fourth Proportional to 113,639.41, 156,819.49 and 62,650.95

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Solution

The fourth proportional to 113,639.41, 156,819.49 and 62,650.95 is: 86,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,639.41 : 156,819.49 = 62,650.95 : x
  2. Step 2: Convert to fraction form
    113,639.41/156,819.49 = 62,650.95/x
  3. Step 3: Cross multiply
    113,639.41x = 156,819.49 × 62,650.95
  4. Step 4: Simplify right side
    113,639.41x = 9,824,890,027.02
  5. Step 5: Solve for x
    x = 9,824,890,027.02/113,639.41
  6. Step 6: Final answer
    x = 86,456.71

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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.