Home / 86,247.85-129,376.96-27,083.52

Finding the Fourth Proportional to 86,247.85, 129,376.96 and 27,083.52

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Solution

The fourth proportional to 86,247.85, 129,376.96 and 27,083.52 is: 40,626.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,247.85 : 129,376.96 = 27,083.52 : x
  2. Step 2: Convert to fraction form
    86,247.85/129,376.96 = 27,083.52/x
  3. Step 3: Cross multiply
    86,247.85x = 129,376.96 × 27,083.52
  4. Step 4: Simplify right side
    86,247.85x = 3,503,983,415.99
  5. Step 5: Solve for x
    x = 3,503,983,415.99/86,247.85
  6. Step 6: Final answer
    x = 40,626.91

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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.