Home / 83,569.40-115,318.90-45,843.66

Finding the Fourth Proportional to 83,569.40, 115,318.90 and 45,843.66

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Solution

The fourth proportional to 83,569.40, 115,318.90 and 45,843.66 is: 63,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,569.40 : 115,318.90 = 45,843.66 : x
  2. Step 2: Convert to fraction form
    83,569.40/115,318.90 = 45,843.66/x
  3. Step 3: Cross multiply
    83,569.40x = 115,318.90 × 45,843.66
  4. Step 4: Simplify right side
    83,569.40x = 5,286,640,443.17
  5. Step 5: Solve for x
    x = 5,286,640,443.17/83,569.40
  6. Step 6: Final answer
    x = 63,260.48

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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.