Home / 97,318.28-134,335.62-75,765.32

Finding the Fourth Proportional to 97,318.28, 134,335.62 and 75,765.32

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Solution

The fourth proportional to 97,318.28, 134,335.62 and 75,765.32 is: 104,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,318.28 : 134,335.62 = 75,765.32 : x
  2. Step 2: Convert to fraction form
    97,318.28/134,335.62 = 75,765.32/x
  3. Step 3: Cross multiply
    97,318.28x = 134,335.62 × 75,765.32
  4. Step 4: Simplify right side
    97,318.28x = 10,177,981,236.70
  5. Step 5: Solve for x
    x = 10,177,981,236.70/97,318.28
  6. Step 6: Final answer
    x = 104,584.48

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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.