Home / 97,754.40-146,531.76-38,508.56

Finding the Fourth Proportional to 97,754.40, 146,531.76 and 38,508.56

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Solution

The fourth proportional to 97,754.40, 146,531.76 and 38,508.56 is: 57,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,754.40 : 146,531.76 = 38,508.56 : x
  2. Step 2: Convert to fraction form
    97,754.40/146,531.76 = 38,508.56/x
  3. Step 3: Cross multiply
    97,754.40x = 146,531.76 × 38,508.56
  4. Step 4: Simplify right side
    97,754.40x = 5,642,727,071.87
  5. Step 5: Solve for x
    x = 5,642,727,071.87/97,754.40
  6. Step 6: Final answer
    x = 57,723.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.