Home / 117,504.85-162,156.18-63,789.43

Finding the Fourth Proportional to 117,504.85, 162,156.18 and 63,789.43

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Solution

The fourth proportional to 117,504.85, 162,156.18 and 63,789.43 is: 88,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504.85 : 162,156.18 = 63,789.43 : x
  2. Step 2: Convert to fraction form
    117,504.85/162,156.18 = 63,789.43/x
  3. Step 3: Cross multiply
    117,504.85x = 162,156.18 × 63,789.43
  4. Step 4: Simplify right side
    117,504.85x = 10,343,850,293.18
  5. Step 5: Solve for x
    x = 10,343,850,293.18/117,504.85
  6. Step 6: Final answer
    x = 88,029.13

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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.