Home / 83,560.12-115,327.71-49,587.34

Finding the Fourth Proportional to 83,560.12, 115,327.71 and 49,587.34

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Solution

The fourth proportional to 83,560.12, 115,327.71 and 49,587.34 is: 68,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.12 : 115,327.71 = 49,587.34 : x
  2. Step 2: Convert to fraction form
    83,560.12/115,327.71 = 49,587.34/x
  3. Step 3: Cross multiply
    83,560.12x = 115,327.71 × 49,587.34
  4. Step 4: Simplify right side
    83,560.12x = 5,718,794,367.19
  5. Step 5: Solve for x
    x = 5,718,794,367.19/83,560.12
  6. Step 6: Final answer
    x = 68,439.28

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1.5x scale

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.