Home / 86,816.98-130,235.01-27,631.90

Finding the Fourth Proportional to 86,816.98, 130,235.01 and 27,631.90

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Solution

The fourth proportional to 86,816.98, 130,235.01 and 27,631.90 is: 41,450.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,816.98 : 130,235.01 = 27,631.90 : x
  2. Step 2: Convert to fraction form
    86,816.98/130,235.01 = 27,631.90/x
  3. Step 3: Cross multiply
    86,816.98x = 130,235.01 × 27,631.90
  4. Step 4: Simplify right side
    86,816.98x = 3,598,640,772.82
  5. Step 5: Solve for x
    x = 3,598,640,772.82/86,816.98
  6. Step 6: Final answer
    x = 41,450.89

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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.