Home / 60,679.40-91,128.45-58,711.10

Finding the Fourth Proportional to 60,679.40, 91,128.45 and 58,711.10

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Solution

The fourth proportional to 60,679.40, 91,128.45 and 58,711.10 is: 88,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,679.40 : 91,128.45 = 58,711.10 : x
  2. Step 2: Convert to fraction form
    60,679.40/91,128.45 = 58,711.10/x
  3. Step 3: Cross multiply
    60,679.40x = 91,128.45 × 58,711.10
  4. Step 4: Simplify right side
    60,679.40x = 5,350,251,540.80
  5. Step 5: Solve for x
    x = 5,350,251,540.80/60,679.40
  6. Step 6: Final answer
    x = 88,172.45

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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.