Home / 73,225.24-109,811.88-31,649.56

Finding the Fourth Proportional to 73,225.24, 109,811.88 and 31,649.56

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Solution

The fourth proportional to 73,225.24, 109,811.88 and 31,649.56 is: 47,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,225.24 : 109,811.88 = 31,649.56 : x
  2. Step 2: Convert to fraction form
    73,225.24/109,811.88 = 31,649.56/x
  3. Step 3: Cross multiply
    73,225.24x = 109,811.88 × 31,649.56
  4. Step 4: Simplify right side
    73,225.24x = 3,475,497,684.77
  5. Step 5: Solve for x
    x = 3,475,497,684.77/73,225.24
  6. Step 6: Final answer
    x = 47,463.11

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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.