Home / 56,753.20-85,143.60-25,588.48

Finding the Fourth Proportional to 56,753.20, 85,143.60 and 25,588.48

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Solution

The fourth proportional to 56,753.20, 85,143.60 and 25,588.48 is: 38,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.20 : 85,143.60 = 25,588.48 : x
  2. Step 2: Convert to fraction form
    56,753.20/85,143.60 = 25,588.48/x
  3. Step 3: Cross multiply
    56,753.20x = 85,143.60 × 25,588.48
  4. Step 4: Simplify right side
    56,753.20x = 2,178,695,305.73
  5. Step 5: Solve for x
    x = 2,178,695,305.73/56,753.20
  6. Step 6: Final answer
    x = 38,388.94

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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.