Home / 89,452.75-123,445.04-49,708.75

Finding the Fourth Proportional to 89,452.75, 123,445.04 and 49,708.75

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Solution

The fourth proportional to 89,452.75, 123,445.04 and 49,708.75 is: 68,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,452.75 : 123,445.04 = 49,708.75 : x
  2. Step 2: Convert to fraction form
    89,452.75/123,445.04 = 49,708.75/x
  3. Step 3: Cross multiply
    89,452.75x = 123,445.04 × 49,708.75
  4. Step 4: Simplify right side
    89,452.75x = 6,136,298,632.10
  5. Step 5: Solve for x
    x = 6,136,298,632.10/89,452.75
  6. Step 6: Final answer
    x = 68,598.21

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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.