Home / 83,391.24-115,086.42-47,582.04

Finding the Fourth Proportional to 83,391.24, 115,086.42 and 47,582.04

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Solution

The fourth proportional to 83,391.24, 115,086.42 and 47,582.04 is: 65,666.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,391.24 : 115,086.42 = 47,582.04 : x
  2. Step 2: Convert to fraction form
    83,391.24/115,086.42 = 47,582.04/x
  3. Step 3: Cross multiply
    83,391.24x = 115,086.42 × 47,582.04
  4. Step 4: Simplify right side
    83,391.24x = 5,476,046,639.90
  5. Step 5: Solve for x
    x = 5,476,046,639.90/83,391.24
  6. Step 6: Final answer
    x = 65,666.93

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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.