Home / 97,731.20-134,854.71-54,708.46

Finding the Fourth Proportional to 97,731.20, 134,854.71 and 54,708.46

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Solution

The fourth proportional to 97,731.20, 134,854.71 and 54,708.46 is: 75,489.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.20 : 134,854.71 = 54,708.46 : x
  2. Step 2: Convert to fraction form
    97,731.20/134,854.71 = 54,708.46/x
  3. Step 3: Cross multiply
    97,731.20x = 134,854.71 × 54,708.46
  4. Step 4: Simplify right side
    97,731.20x = 7,377,693,507.85
  5. Step 5: Solve for x
    x = 7,377,693,507.85/97,731.20
  6. Step 6: Final answer
    x = 75,489.64

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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.