Home / 117,534.87-162,193.93-63,818.78

Finding the Fourth Proportional to 117,534.87, 162,193.93 and 63,818.78

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Solution

The fourth proportional to 117,534.87, 162,193.93 and 63,818.78 is: 88,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,534.87 : 162,193.93 = 63,818.78 : x
  2. Step 2: Convert to fraction form
    117,534.87/162,193.93 = 63,818.78/x
  3. Step 3: Cross multiply
    117,534.87x = 162,193.93 × 63,818.78
  4. Step 4: Simplify right side
    117,534.87x = 10,351,017,765.49
  5. Step 5: Solve for x
    x = 10,351,017,765.49/117,534.87
  6. Step 6: Final answer
    x = 88,067.63

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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.