Home / 113,604.06-156,780.45-62,616.72

Finding the Fourth Proportional to 113,604.06, 156,780.45 and 62,616.72

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Solution

The fourth proportional to 113,604.06, 156,780.45 and 62,616.72 is: 86,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.06 : 156,780.45 = 62,616.72 : x
  2. Step 2: Convert to fraction form
    113,604.06/156,780.45 = 62,616.72/x
  3. Step 3: Cross multiply
    113,604.06x = 156,780.45 × 62,616.72
  4. Step 4: Simplify right side
    113,604.06x = 9,817,077,539.12
  5. Step 5: Solve for x
    x = 9,817,077,539.12/113,604.06
  6. Step 6: Final answer
    x = 86,414.85

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1.5x scale

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.