Home / 86,872.98-130,226.24-27,670.28

Finding the Fourth Proportional to 86,872.98, 130,226.24 and 27,670.28

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Solution

The fourth proportional to 86,872.98, 130,226.24 and 27,670.28 is: 41,478.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,872.98 : 130,226.24 = 27,670.28 : x
  2. Step 2: Convert to fraction form
    86,872.98/130,226.24 = 27,670.28/x
  3. Step 3: Cross multiply
    86,872.98x = 130,226.24 × 27,670.28
  4. Step 4: Simplify right side
    86,872.98x = 3,603,396,524.15
  5. Step 5: Solve for x
    x = 3,603,396,524.15/86,872.98
  6. Step 6: Final answer
    x = 41,478.91

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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.