Home / 86,275.44-129,425.91-44,179.32

Finding the Fourth Proportional to 86,275.44, 129,425.91 and 44,179.32

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Solution

The fourth proportional to 86,275.44, 129,425.91 and 44,179.32 is: 66,275.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.44 : 129,425.91 = 44,179.32 : x
  2. Step 2: Convert to fraction form
    86,275.44/129,425.91 = 44,179.32/x
  3. Step 3: Cross multiply
    86,275.44x = 129,425.91 × 44,179.32
  4. Step 4: Simplify right side
    86,275.44x = 5,717,948,694.18
  5. Step 5: Solve for x
    x = 5,717,948,694.18/86,275.44
  6. Step 6: Final answer
    x = 66,275.51

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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.