Home / 86,422.30-129,581.61-33,769.06

Finding the Fourth Proportional to 86,422.30, 129,581.61 and 33,769.06

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Solution

The fourth proportional to 86,422.30, 129,581.61 and 33,769.06 is: 50,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,422.30 : 129,581.61 = 33,769.06 : x
  2. Step 2: Convert to fraction form
    86,422.30/129,581.61 = 33,769.06/x
  3. Step 3: Cross multiply
    86,422.30x = 129,581.61 × 33,769.06
  4. Step 4: Simplify right side
    86,422.30x = 4,375,849,162.99
  5. Step 5: Solve for x
    x = 4,375,849,162.99/86,422.30
  6. Step 6: Final answer
    x = 50,633.33

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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.