Home / 86,182.17-129,273.26-27,022.61

Finding the Fourth Proportional to 86,182.17, 129,273.26 and 27,022.61

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Solution

The fourth proportional to 86,182.17, 129,273.26 and 27,022.61 is: 40,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182.17 : 129,273.26 = 27,022.61 : x
  2. Step 2: Convert to fraction form
    86,182.17/129,273.26 = 27,022.61/x
  3. Step 3: Cross multiply
    86,182.17x = 129,273.26 × 27,022.61
  4. Step 4: Simplify right side
    86,182.17x = 3,493,300,693.04
  5. Step 5: Solve for x
    x = 3,493,300,693.04/86,182.17
  6. Step 6: Final answer
    x = 40,533.91

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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.