Home / 88,432.40-132,648.60-60,438.80

Finding the Fourth Proportional to 88,432.40, 132,648.60 and 60,438.80

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Solution

The fourth proportional to 88,432.40, 132,648.60 and 60,438.80 is: 90,658.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,432.40 : 132,648.60 = 60,438.80 : x
  2. Step 2: Convert to fraction form
    88,432.40/132,648.60 = 60,438.80/x
  3. Step 3: Cross multiply
    88,432.40x = 132,648.60 × 60,438.80
  4. Step 4: Simplify right side
    88,432.40x = 8,017,122,205.68
  5. Step 5: Solve for x
    x = 8,017,122,205.68/88,432.40
  6. Step 6: Final answer
    x = 90,658.20

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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.