Home / 70,815.24-106,187.04-31,384.44

Finding the Fourth Proportional to 70,815.24, 106,187.04 and 31,384.44

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Solution

The fourth proportional to 70,815.24, 106,187.04 and 31,384.44 is: 47,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.24 : 106,187.04 = 31,384.44 : x
  2. Step 2: Convert to fraction form
    70,815.24/106,187.04 = 31,384.44/x
  3. Step 3: Cross multiply
    70,815.24x = 106,187.04 × 31,384.44
  4. Step 4: Simplify right side
    70,815.24x = 3,332,620,785.66
  5. Step 5: Solve for x
    x = 3,332,620,785.66/70,815.24
  6. Step 6: Final answer
    x = 47,060.79

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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.