Home / 56,883.20-85,255.61-40,248.05

Finding the Fourth Proportional to 56,883.20, 85,255.61 and 40,248.05

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Solution

The fourth proportional to 56,883.20, 85,255.61 and 40,248.05 is: 60,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.20 : 85,255.61 = 40,248.05 : x
  2. Step 2: Convert to fraction form
    56,883.20/85,255.61 = 40,248.05/x
  3. Step 3: Cross multiply
    56,883.20x = 85,255.61 × 40,248.05
  4. Step 4: Simplify right side
    56,883.20x = 3,431,371,426.54
  5. Step 5: Solve for x
    x = 3,431,371,426.54/56,883.20
  6. Step 6: Final answer
    x = 60,323.11

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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.