Home / 89,452.65-123,445.62-48,616.78

Finding the Fourth Proportional to 89,452.65, 123,445.62 and 48,616.78

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Solution

The fourth proportional to 89,452.65, 123,445.62 and 48,616.78 is: 67,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.65 : 123,445.62 = 48,616.78 : x
  2. Step 2: Convert to fraction form
    89,452.65/123,445.62 = 48,616.78/x
  3. Step 3: Cross multiply
    89,452.65x = 123,445.62 × 48,616.78
  4. Step 4: Simplify right side
    89,452.65x = 6,001,528,819.54
  5. Step 5: Solve for x
    x = 6,001,528,819.54/89,452.65
  6. Step 6: Final answer
    x = 67,091.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.