Home / 86,294.30-129,447.07-27,132.26

Finding the Fourth Proportional to 86,294.30, 129,447.07 and 27,132.26

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Solution

The fourth proportional to 86,294.30, 129,447.07 and 27,132.26 is: 40,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,294.30 : 129,447.07 = 27,132.26 : x
  2. Step 2: Convert to fraction form
    86,294.30/129,447.07 = 27,132.26/x
  3. Step 3: Cross multiply
    86,294.30x = 129,447.07 × 27,132.26
  4. Step 4: Simplify right side
    86,294.30x = 3,512,191,559.48
  5. Step 5: Solve for x
    x = 3,512,191,559.48/86,294.30
  6. Step 6: Final answer
    x = 40,700.16

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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.