Home / 86,450.26-129,625.56-33,831.04

Finding the Fourth Proportional to 86,450.26, 129,625.56 and 33,831.04

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Solution

The fourth proportional to 86,450.26, 129,625.56 and 33,831.04 is: 50,727.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.26 : 129,625.56 = 33,831.04 : x
  2. Step 2: Convert to fraction form
    86,450.26/129,625.56 = 33,831.04/x
  3. Step 3: Cross multiply
    86,450.26x = 129,625.56 × 33,831.04
  4. Step 4: Simplify right side
    86,450.26x = 4,385,367,505.38
  5. Step 5: Solve for x
    x = 4,385,367,505.38/86,450.26
  6. Step 6: Final answer
    x = 50,727.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.