Home / 97,445.28-134,496.78-57,160.74

Finding the Fourth Proportional to 97,445.28, 134,496.78 and 57,160.74

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Solution

The fourth proportional to 97,445.28, 134,496.78 and 57,160.74 is: 78,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,445.28 : 134,496.78 = 57,160.74 : x
  2. Step 2: Convert to fraction form
    97,445.28/134,496.78 = 57,160.74/x
  3. Step 3: Cross multiply
    97,445.28x = 134,496.78 × 57,160.74
  4. Step 4: Simplify right side
    97,445.28x = 7,687,935,472.42
  5. Step 5: Solve for x
    x = 7,687,935,472.42/97,445.28
  6. Step 6: Final answer
    x = 78,894.90

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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.