Home / 73,246.20-109,869.30-43,721.70

Finding the Fourth Proportional to 73,246.20, 109,869.30 and 43,721.70

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Solution

The fourth proportional to 73,246.20, 109,869.30 and 43,721.70 is: 65,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246.20 : 109,869.30 = 43,721.70 : x
  2. Step 2: Convert to fraction form
    73,246.20/109,869.30 = 43,721.70/x
  3. Step 3: Cross multiply
    73,246.20x = 109,869.30 × 43,721.70
  4. Step 4: Simplify right side
    73,246.20x = 4,803,672,573.81
  5. Step 5: Solve for x
    x = 4,803,672,573.81/73,246.20
  6. Step 6: Final answer
    x = 65,582.55

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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.