Home / 84,179.79-126,232.53-31,552.37

Finding the Fourth Proportional to 84,179.79, 126,232.53 and 31,552.37

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Solution

The fourth proportional to 84,179.79, 126,232.53 and 31,552.37 is: 47,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.79 : 126,232.53 = 31,552.37 : x
  2. Step 2: Convert to fraction form
    84,179.79/126,232.53 = 31,552.37/x
  3. Step 3: Cross multiply
    84,179.79x = 126,232.53 × 31,552.37
  4. Step 4: Simplify right side
    84,179.79x = 3,982,935,433.44
  5. Step 5: Solve for x
    x = 3,982,935,433.44/84,179.79
  6. Step 6: Final answer
    x = 47,314.63

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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.