Home / 117,581.85-176,321.75-42,677.10

Finding the Fourth Proportional to 117,581.85, 176,321.75 and 42,677.10

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Solution

The fourth proportional to 117,581.85, 176,321.75 and 42,677.10 is: 63,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,581.85 : 176,321.75 = 42,677.10 : x
  2. Step 2: Convert to fraction form
    117,581.85/176,321.75 = 42,677.10/x
  3. Step 3: Cross multiply
    117,581.85x = 176,321.75 × 42,677.10
  4. Step 4: Simplify right side
    117,581.85x = 7,524,900,743.54
  5. Step 5: Solve for x
    x = 7,524,900,743.54/117,581.85
  6. Step 6: Final answer
    x = 63,997.13

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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.