Home / 86,895.90-130,346.12-27,731.49

Finding the Fourth Proportional to 86,895.90, 130,346.12 and 27,731.49

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Solution

The fourth proportional to 86,895.90, 130,346.12 and 27,731.49 is: 41,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,895.90 : 130,346.12 = 27,731.49 : x
  2. Step 2: Convert to fraction form
    86,895.90/130,346.12 = 27,731.49/x
  3. Step 3: Cross multiply
    86,895.90x = 130,346.12 × 27,731.49
  4. Step 4: Simplify right side
    86,895.90x = 3,614,691,984.66
  5. Step 5: Solve for x
    x = 3,614,691,984.66/86,895.90
  6. Step 6: Final answer
    x = 41,597.96

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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.