Home / 97,458.92-134,470.50-57,170.60

Finding the Fourth Proportional to 97,458.92, 134,470.50 and 57,170.60

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Solution

The fourth proportional to 97,458.92, 134,470.50 and 57,170.60 is: 78,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,458.92 : 134,470.50 = 57,170.60 : x
  2. Step 2: Convert to fraction form
    97,458.92/134,470.50 = 57,170.60/x
  3. Step 3: Cross multiply
    97,458.92x = 134,470.50 × 57,170.60
  4. Step 4: Simplify right side
    97,458.92x = 7,687,759,167.30
  5. Step 5: Solve for x
    x = 7,687,759,167.30/97,458.92
  6. Step 6: Final answer
    x = 78,882.05

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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.