Home / 117,818.24-162,589.87-64,103.66

Finding the Fourth Proportional to 117,818.24, 162,589.87 and 64,103.66

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Solution

The fourth proportional to 117,818.24, 162,589.87 and 64,103.66 is: 88,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,818.24 : 162,589.87 = 64,103.66 : x
  2. Step 2: Convert to fraction form
    117,818.24/162,589.87 = 64,103.66/x
  3. Step 3: Cross multiply
    117,818.24x = 162,589.87 × 64,103.66
  4. Step 4: Simplify right side
    117,818.24x = 10,422,604,772.72
  5. Step 5: Solve for x
    x = 10,422,604,772.72/117,818.24
  6. Step 6: Final answer
    x = 88,463.43

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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.