Home / 81,314.85-121,972.14-41,883.24

Finding the Fourth Proportional to 81,314.85, 121,972.14 and 41,883.24

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Solution

The fourth proportional to 81,314.85, 121,972.14 and 41,883.24 is: 62,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,314.85 : 121,972.14 = 41,883.24 : x
  2. Step 2: Convert to fraction form
    81,314.85/121,972.14 = 41,883.24/x
  3. Step 3: Cross multiply
    81,314.85x = 121,972.14 × 41,883.24
  4. Step 4: Simplify right side
    81,314.85x = 5,108,588,412.93
  5. Step 5: Solve for x
    x = 5,108,588,412.93/81,314.85
  6. Step 6: Final answer
    x = 62,824.79

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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.