Home / 86,266.24-129,398.07-27,105.46

Finding the Fourth Proportional to 86,266.24, 129,398.07 and 27,105.46

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Solution

The fourth proportional to 86,266.24, 129,398.07 and 27,105.46 is: 40,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,266.24 : 129,398.07 = 27,105.46 : x
  2. Step 2: Convert to fraction form
    86,266.24/129,398.07 = 27,105.46/x
  3. Step 3: Cross multiply
    86,266.24x = 129,398.07 × 27,105.46
  4. Step 4: Simplify right side
    86,266.24x = 3,507,394,210.46
  5. Step 5: Solve for x
    x = 3,507,394,210.46/86,266.24
  6. Step 6: Final answer
    x = 40,657.78

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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.