Home / 97,685.46-134,776.17-54,660.49

Finding the Fourth Proportional to 97,685.46, 134,776.17 and 54,660.49

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Solution

The fourth proportional to 97,685.46, 134,776.17 and 54,660.49 is: 75,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,685.46 : 134,776.17 = 54,660.49 : x
  2. Step 2: Convert to fraction form
    97,685.46/134,776.17 = 54,660.49/x
  3. Step 3: Cross multiply
    97,685.46x = 134,776.17 × 54,660.49
  4. Step 4: Simplify right side
    97,685.46x = 7,366,931,155.58
  5. Step 5: Solve for x
    x = 7,366,931,155.58/97,685.46
  6. Step 6: Final answer
    x = 75,414.82

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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.