Home / 73,006.17-109,467.33-28,580.91

Finding the Fourth Proportional to 73,006.17, 109,467.33 and 28,580.91

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Solution

The fourth proportional to 73,006.17, 109,467.33 and 28,580.91 is: 42,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.17 : 109,467.33 = 28,580.91 : x
  2. Step 2: Convert to fraction form
    73,006.17/109,467.33 = 28,580.91/x
  3. Step 3: Cross multiply
    73,006.17x = 109,467.33 × 28,580.91
  4. Step 4: Simplify right side
    73,006.17x = 3,128,675,906.67
  5. Step 5: Solve for x
    x = 3,128,675,906.67/73,006.17
  6. Step 6: Final answer
    x = 42,854.95

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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.