Home / 86,366.43-129,554.28-27,206.73

Finding the Fourth Proportional to 86,366.43, 129,554.28 and 27,206.73

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Solution

The fourth proportional to 86,366.43, 129,554.28 and 27,206.73 is: 40,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,366.43 : 129,554.28 = 27,206.73 : x
  2. Step 2: Convert to fraction form
    86,366.43/129,554.28 = 27,206.73/x
  3. Step 3: Cross multiply
    86,366.43x = 129,554.28 × 27,206.73
  4. Step 4: Simplify right side
    86,366.43x = 3,524,748,316.30
  5. Step 5: Solve for x
    x = 3,524,748,316.30/86,366.43
  6. Step 6: Final answer
    x = 40,811.56

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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.