Home / 56,560.76-84,876.91-31,617.19

Finding the Fourth Proportional to 56,560.76, 84,876.91 and 31,617.19

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Solution

The fourth proportional to 56,560.76, 84,876.91 and 31,617.19 is: 47,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.76 : 84,876.91 = 31,617.19 : x
  2. Step 2: Convert to fraction form
    56,560.76/84,876.91 = 31,617.19/x
  3. Step 3: Cross multiply
    56,560.76x = 84,876.91 × 31,617.19
  4. Step 4: Simplify right side
    56,560.76x = 2,683,569,833.70
  5. Step 5: Solve for x
    x = 2,683,569,833.70/56,560.76
  6. Step 6: Final answer
    x = 47,445.78

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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.