Home / 107,613.28-161,418.24-48,407.12

Finding the Fourth Proportional to 107,613.28, 161,418.24 and 48,407.12

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Solution

The fourth proportional to 107,613.28, 161,418.24 and 48,407.12 is: 72,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,613.28 : 161,418.24 = 48,407.12 : x
  2. Step 2: Convert to fraction form
    107,613.28/161,418.24 = 48,407.12/x
  3. Step 3: Cross multiply
    107,613.28x = 161,418.24 × 48,407.12
  4. Step 4: Simplify right side
    107,613.28x = 7,813,792,113.87
  5. Step 5: Solve for x
    x = 7,813,792,113.87/107,613.28
  6. Step 6: Final answer
    x = 72,609.92

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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.