Home / 81,044.84-111,901.14-52,381.47

Finding the Fourth Proportional to 81,044.84, 111,901.14 and 52,381.47

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Solution

The fourth proportional to 81,044.84, 111,901.14 and 52,381.47 is: 72,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,044.84 : 111,901.14 = 52,381.47 : x
  2. Step 2: Convert to fraction form
    81,044.84/111,901.14 = 52,381.47/x
  3. Step 3: Cross multiply
    81,044.84x = 111,901.14 × 52,381.47
  4. Step 4: Simplify right side
    81,044.84x = 5,861,546,207.88
  5. Step 5: Solve for x
    x = 5,861,546,207.88/81,044.84
  6. Step 6: Final answer
    x = 72,324.73

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1.5x scale

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.