Home / 84,311.40-126,474.30-25,143.24

Finding the Fourth Proportional to 84,311.40, 126,474.30 and 25,143.24

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Solution

The fourth proportional to 84,311.40, 126,474.30 and 25,143.24 is: 37,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,311.40 : 126,474.30 = 25,143.24 : x
  2. Step 2: Convert to fraction form
    84,311.40/126,474.30 = 25,143.24/x
  3. Step 3: Cross multiply
    84,311.40x = 126,474.30 × 25,143.24
  4. Step 4: Simplify right side
    84,311.40x = 3,179,973,678.73
  5. Step 5: Solve for x
    x = 3,179,973,678.73/84,311.40
  6. Step 6: Final answer
    x = 37,717.01

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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.