Home / 97,471.71-146,265.89-89,540.19

Finding the Fourth Proportional to 97,471.71, 146,265.89 and 89,540.19

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Solution

The fourth proportional to 97,471.71, 146,265.89 and 89,540.19 is: 134,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,471.71 : 146,265.89 = 89,540.19 : x
  2. Step 2: Convert to fraction form
    97,471.71/146,265.89 = 89,540.19/x
  3. Step 3: Cross multiply
    97,471.71x = 146,265.89 × 89,540.19
  4. Step 4: Simplify right side
    97,471.71x = 13,096,675,133.42
  5. Step 5: Solve for x
    x = 13,096,675,133.42/97,471.71
  6. Step 6: Final answer
    x = 134,363.86

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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.