Home / 86,542.56-129,832.61-26,571.24

Finding the Fourth Proportional to 86,542.56, 129,832.61 and 26,571.24

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Solution

The fourth proportional to 86,542.56, 129,832.61 and 26,571.24 is: 39,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,542.56 : 129,832.61 = 26,571.24 : x
  2. Step 2: Convert to fraction form
    86,542.56/129,832.61 = 26,571.24/x
  3. Step 3: Cross multiply
    86,542.56x = 129,832.61 × 26,571.24
  4. Step 4: Simplify right side
    86,542.56x = 3,449,813,440.14
  5. Step 5: Solve for x
    x = 3,449,813,440.14/86,542.56
  6. Step 6: Final answer
    x = 39,862.62

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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.