Home / 117,491.85-162,138.24-63,776.43

Finding the Fourth Proportional to 117,491.85, 162,138.24 and 63,776.43

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Solution

The fourth proportional to 117,491.85, 162,138.24 and 63,776.43 is: 88,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,491.85 : 162,138.24 = 63,776.43 : x
  2. Step 2: Convert to fraction form
    117,491.85/162,138.24 = 63,776.43/x
  3. Step 3: Cross multiply
    117,491.85x = 162,138.24 × 63,776.43
  4. Step 4: Simplify right side
    117,491.85x = 10,340,598,113.68
  5. Step 5: Solve for x
    x = 10,340,598,113.68/117,491.85
  6. Step 6: Final answer
    x = 88,011.19

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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.