Home / 83,891.28-115,767.12-46,165.44

Finding the Fourth Proportional to 83,891.28, 115,767.12 and 46,165.44

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Solution

The fourth proportional to 83,891.28, 115,767.12 and 46,165.44 is: 63,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,891.28 : 115,767.12 = 46,165.44 : x
  2. Step 2: Convert to fraction form
    83,891.28/115,767.12 = 46,165.44/x
  3. Step 3: Cross multiply
    83,891.28x = 115,767.12 × 46,165.44
  4. Step 4: Simplify right side
    83,891.28x = 5,344,440,032.33
  5. Step 5: Solve for x
    x = 5,344,440,032.33/83,891.28
  6. Step 6: Final answer
    x = 63,706.74

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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.