Home / 56,619.92-84,957.56-40,086.20

Finding the Fourth Proportional to 56,619.92, 84,957.56 and 40,086.20

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Solution

The fourth proportional to 56,619.92, 84,957.56 and 40,086.20 is: 60,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.92 : 84,957.56 = 40,086.20 : x
  2. Step 2: Convert to fraction form
    56,619.92/84,957.56 = 40,086.20/x
  3. Step 3: Cross multiply
    56,619.92x = 84,957.56 × 40,086.20
  4. Step 4: Simplify right side
    56,619.92x = 3,405,625,741.67
  5. Step 5: Solve for x
    x = 3,405,625,741.67/56,619.92
  6. Step 6: Final answer
    x = 60,148.90

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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.