Home / 89,824.56-123,963.58-49,538.40

Finding the Fourth Proportional to 89,824.56, 123,963.58 and 49,538.40

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Solution

The fourth proportional to 89,824.56, 123,963.58 and 49,538.40 is: 68,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,824.56 : 123,963.58 = 49,538.40 : x
  2. Step 2: Convert to fraction form
    89,824.56/123,963.58 = 49,538.40/x
  3. Step 3: Cross multiply
    89,824.56x = 123,963.58 × 49,538.40
  4. Step 4: Simplify right side
    89,824.56x = 6,140,957,411.47
  5. Step 5: Solve for x
    x = 6,140,957,411.47/89,824.56
  6. Step 6: Final answer
    x = 68,366.13

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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.