Home / 52,401.13-72,331.78-31,179.94

Finding the Fourth Proportional to 52,401.13, 72,331.78 and 31,179.94

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Solution

The fourth proportional to 52,401.13, 72,331.78 and 31,179.94 is: 43,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,401.13 : 72,331.78 = 31,179.94 : x
  2. Step 2: Convert to fraction form
    52,401.13/72,331.78 = 31,179.94/x
  3. Step 3: Cross multiply
    52,401.13x = 72,331.78 × 31,179.94
  4. Step 4: Simplify right side
    52,401.13x = 2,255,300,560.49
  5. Step 5: Solve for x
    x = 2,255,300,560.49/52,401.13
  6. Step 6: Final answer
    x = 43,039.16

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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.