Home / 88,016.40-132,024.60-67,280.40

Finding the Fourth Proportional to 88,016.40, 132,024.60 and 67,280.40

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Solution

The fourth proportional to 88,016.40, 132,024.60 and 67,280.40 is: 100,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.40 : 132,024.60 = 67,280.40 : x
  2. Step 2: Convert to fraction form
    88,016.40/132,024.60 = 67,280.40/x
  3. Step 3: Cross multiply
    88,016.40x = 132,024.60 × 67,280.40
  4. Step 4: Simplify right side
    88,016.40x = 8,882,667,897.84
  5. Step 5: Solve for x
    x = 8,882,667,897.84/88,016.40
  6. Step 6: Final answer
    x = 100,920.60

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1.5x scale

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.