Home / 56,440.10-77,940.04-36,331.88

Finding the Fourth Proportional to 56,440.10, 77,940.04 and 36,331.88

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Solution

The fourth proportional to 56,440.10, 77,940.04 and 36,331.88 is: 50,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,440.10 : 77,940.04 = 36,331.88 : x
  2. Step 2: Convert to fraction form
    56,440.10/77,940.04 = 36,331.88/x
  3. Step 3: Cross multiply
    56,440.10x = 77,940.04 × 36,331.88
  4. Step 4: Simplify right side
    56,440.10x = 2,831,708,180.48
  5. Step 5: Solve for x
    x = 2,831,708,180.48/56,440.10
  6. Step 6: Final answer
    x = 50,171.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.