Home / 86,422.52-129,392.94-44,211.80

Finding the Fourth Proportional to 86,422.52, 129,392.94 and 44,211.80

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Solution

The fourth proportional to 86,422.52, 129,392.94 and 44,211.80 is: 66,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,422.52 : 129,392.94 = 44,211.80 : x
  2. Step 2: Convert to fraction form
    86,422.52/129,392.94 = 44,211.80/x
  3. Step 3: Cross multiply
    86,422.52x = 129,392.94 × 44,211.80
  4. Step 4: Simplify right side
    86,422.52x = 5,720,694,784.69
  5. Step 5: Solve for x
    x = 5,720,694,784.69/86,422.52
  6. Step 6: Final answer
    x = 66,194.49

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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.