Home / 89,949.18-134,963.55-47,244.56

Finding the Fourth Proportional to 89,949.18, 134,963.55 and 47,244.56

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Solution

The fourth proportional to 89,949.18, 134,963.55 and 47,244.56 is: 70,887.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,949.18 : 134,963.55 = 47,244.56 : x
  2. Step 2: Convert to fraction form
    89,949.18/134,963.55 = 47,244.56/x
  3. Step 3: Cross multiply
    89,949.18x = 134,963.55 × 47,244.56
  4. Step 4: Simplify right side
    89,949.18x = 6,376,292,860.97
  5. Step 5: Solve for x
    x = 6,376,292,860.97/89,949.18
  6. Step 6: Final answer
    x = 70,887.73

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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.