Home / 88,324.80-132,314.40-60,331.20

Finding the Fourth Proportional to 88,324.80, 132,314.40 and 60,331.20

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Solution

The fourth proportional to 88,324.80, 132,314.40 and 60,331.20 is: 90,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,324.80 : 132,314.40 = 60,331.20 : x
  2. Step 2: Convert to fraction form
    88,324.80/132,314.40 = 60,331.20/x
  3. Step 3: Cross multiply
    88,324.80x = 132,314.40 × 60,331.20
  4. Step 4: Simplify right side
    88,324.80x = 7,982,686,529.28
  5. Step 5: Solve for x
    x = 7,982,686,529.28/88,324.80
  6. Step 6: Final answer
    x = 90,378.77

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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.