Home / 86,250.30-129,380.94-27,088.31

Finding the Fourth Proportional to 86,250.30, 129,380.94 and 27,088.31

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Solution

The fourth proportional to 86,250.30, 129,380.94 and 27,088.31 is: 40,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.30 : 129,380.94 = 27,088.31 : x
  2. Step 2: Convert to fraction form
    86,250.30/129,380.94 = 27,088.31/x
  3. Step 3: Cross multiply
    86,250.30x = 129,380.94 × 27,088.31
  4. Step 4: Simplify right side
    86,250.30x = 3,504,710,363.91
  5. Step 5: Solve for x
    x = 3,504,710,363.91/86,250.30
  6. Step 6: Final answer
    x = 40,634.18

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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.