Home / 86,528.20-129,805.80-27,358.24

Finding the Fourth Proportional to 86,528.20, 129,805.80 and 27,358.24

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Solution

The fourth proportional to 86,528.20, 129,805.80 and 27,358.24 is: 41,041.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,528.20 : 129,805.80 = 27,358.24 : x
  2. Step 2: Convert to fraction form
    86,528.20/129,805.80 = 27,358.24/x
  3. Step 3: Cross multiply
    86,528.20x = 129,805.80 × 27,358.24
  4. Step 4: Simplify right side
    86,528.20x = 3,551,258,229.79
  5. Step 5: Solve for x
    x = 3,551,258,229.79/86,528.20
  6. Step 6: Final answer
    x = 41,041.63

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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.