Home / 83,791.30-115,632.74-45,550.92

Finding the Fourth Proportional to 83,791.30, 115,632.74 and 45,550.92

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Solution

The fourth proportional to 83,791.30, 115,632.74 and 45,550.92 is: 62,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,791.30 : 115,632.74 = 45,550.92 : x
  2. Step 2: Convert to fraction form
    83,791.30/115,632.74 = 45,550.92/x
  3. Step 3: Cross multiply
    83,791.30x = 115,632.74 × 45,550.92
  4. Step 4: Simplify right side
    83,791.30x = 5,267,177,803.00
  5. Step 5: Solve for x
    x = 5,267,177,803.00/83,791.30
  6. Step 6: Final answer
    x = 62,860.68

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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.