Home / 47,767.84-71,642.42-45,397.04

Finding the Fourth Proportional to 47,767.84, 71,642.42 and 45,397.04

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Solution

The fourth proportional to 47,767.84, 71,642.42 and 45,397.04 is: 68,086.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,767.84 : 71,642.42 = 45,397.04 : x
  2. Step 2: Convert to fraction form
    47,767.84/71,642.42 = 45,397.04/x
  3. Step 3: Cross multiply
    47,767.84x = 71,642.42 × 45,397.04
  4. Step 4: Simplify right side
    47,767.84x = 3,252,353,806.44
  5. Step 5: Solve for x
    x = 3,252,353,806.44/47,767.84
  6. Step 6: Final answer
    x = 68,086.68

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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.