Home / 86,535.20-129,816.30-27,365.24

Finding the Fourth Proportional to 86,535.20, 129,816.30 and 27,365.24

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Solution

The fourth proportional to 86,535.20, 129,816.30 and 27,365.24 is: 41,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535.20 : 129,816.30 = 27,365.24 : x
  2. Step 2: Convert to fraction form
    86,535.20/129,816.30 = 27,365.24/x
  3. Step 3: Cross multiply
    86,535.20x = 129,816.30 × 27,365.24
  4. Step 4: Simplify right side
    86,535.20x = 3,552,454,205.41
  5. Step 5: Solve for x
    x = 3,552,454,205.41/86,535.20
  6. Step 6: Final answer
    x = 41,052.13

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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.