Home / 89,584.55-123,632.17-49,307.20

Finding the Fourth Proportional to 89,584.55, 123,632.17 and 49,307.20

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Solution

The fourth proportional to 89,584.55, 123,632.17 and 49,307.20 is: 68,046.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,584.55 : 123,632.17 = 49,307.20 : x
  2. Step 2: Convert to fraction form
    89,584.55/123,632.17 = 49,307.20/x
  3. Step 3: Cross multiply
    89,584.55x = 123,632.17 × 49,307.20
  4. Step 4: Simplify right side
    89,584.55x = 6,095,955,977.63
  5. Step 5: Solve for x
    x = 6,095,955,977.63/89,584.55
  6. Step 6: Final answer
    x = 68,046.96

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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.