Home / 86,414.03-129,621.04-27,254.29

Finding the Fourth Proportional to 86,414.03, 129,621.04 and 27,254.29

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Solution

The fourth proportional to 86,414.03, 129,621.04 and 27,254.29 is: 40,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,414.03 : 129,621.04 = 27,254.29 : x
  2. Step 2: Convert to fraction form
    86,414.03/129,621.04 = 27,254.29/x
  3. Step 3: Cross multiply
    86,414.03x = 129,621.04 × 27,254.29
  4. Step 4: Simplify right side
    86,414.03x = 3,532,729,414.26
  5. Step 5: Solve for x
    x = 3,532,729,414.26/86,414.03
  6. Step 6: Final answer
    x = 40,881.43

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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.