Home / 55,587.20-83,251.20-37,961.60

Finding the Fourth Proportional to 55,587.20, 83,251.20 and 37,961.60

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Solution

The fourth proportional to 55,587.20, 83,251.20 and 37,961.60 is: 56,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,587.20 : 83,251.20 = 37,961.60 : x
  2. Step 2: Convert to fraction form
    55,587.20/83,251.20 = 37,961.60/x
  3. Step 3: Cross multiply
    55,587.20x = 83,251.20 × 37,961.60
  4. Step 4: Simplify right side
    55,587.20x = 3,160,348,753.92
  5. Step 5: Solve for x
    x = 3,160,348,753.92/55,587.20
  6. Step 6: Final answer
    x = 56,853.89

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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.