Home / 54,168.13-74,748.18-49,706.65

Finding the Fourth Proportional to 54,168.13, 74,748.18 and 49,706.65

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Solution

The fourth proportional to 54,168.13, 74,748.18 and 49,706.65 is: 68,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,168.13 : 74,748.18 = 49,706.65 : x
  2. Step 2: Convert to fraction form
    54,168.13/74,748.18 = 49,706.65/x
  3. Step 3: Cross multiply
    54,168.13x = 74,748.18 × 49,706.65
  4. Step 4: Simplify right side
    54,168.13x = 3,715,481,621.40
  5. Step 5: Solve for x
    x = 3,715,481,621.40/54,168.13
  6. Step 6: Final answer
    x = 68,591.65

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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.