Home / 117,716.47-176,685.68-42,908.92

Finding the Fourth Proportional to 117,716.47, 176,685.68 and 42,908.92

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Solution

The fourth proportional to 117,716.47, 176,685.68 and 42,908.92 is: 64,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,716.47 : 176,685.68 = 42,908.92 : x
  2. Step 2: Convert to fraction form
    117,716.47/176,685.68 = 42,908.92/x
  3. Step 3: Cross multiply
    117,716.47x = 176,685.68 × 42,908.92
  4. Step 4: Simplify right side
    117,716.47x = 7,581,391,493.72
  5. Step 5: Solve for x
    x = 7,581,391,493.72/117,716.47
  6. Step 6: Final answer
    x = 64,403.83

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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.