Home / 75,385.08-104,031.55-43,554

Finding the Fourth Proportional to 75,385.08, 104,031.55 and 43,554

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Solution

The fourth proportional to 75,385.08, 104,031.55 and 43,554 is: 60,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385.08 : 104,031.55 = 43,554 : x
  2. Step 2: Convert to fraction form
    75,385.08/104,031.55 = 43,554/x
  3. Step 3: Cross multiply
    75,385.08x = 104,031.55 × 43,554
  4. Step 4: Simplify right side
    75,385.08x = 4,530,989,910.93
  5. Step 5: Solve for x
    x = 4,530,989,910.93/75,385.08
  6. Step 6: Final answer
    x = 60,104.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.