Home / 55,221.16-83,200.60-49,962.92

Finding the Fourth Proportional to 55,221.16, 83,200.60 and 49,962.92

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Solution

The fourth proportional to 55,221.16, 83,200.60 and 49,962.92 is: 75,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.16 : 83,200.60 = 49,962.92 : x
  2. Step 2: Convert to fraction form
    55,221.16/83,200.60 = 49,962.92/x
  3. Step 3: Cross multiply
    55,221.16x = 83,200.60 × 49,962.92
  4. Step 4: Simplify right side
    55,221.16x = 4,156,944,921.75
  5. Step 5: Solve for x
    x = 4,156,944,921.75/55,221.16
  6. Step 6: Final answer
    x = 75,278.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.