Home / 64,520.20-96,780.30-59,854.60

Finding the Fourth Proportional to 64,520.20, 96,780.30 and 59,854.60

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Solution

The fourth proportional to 64,520.20, 96,780.30 and 59,854.60 is: 89,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.20 : 96,780.30 = 59,854.60 : x
  2. Step 2: Convert to fraction form
    64,520.20/96,780.30 = 59,854.60/x
  3. Step 3: Cross multiply
    64,520.20x = 96,780.30 × 59,854.60
  4. Step 4: Simplify right side
    64,520.20x = 5,792,746,144.38
  5. Step 5: Solve for x
    x = 5,792,746,144.38/64,520.20
  6. Step 6: Final answer
    x = 89,781.90

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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.