Home / 75,445.88-104,123.22-41,911.88

Finding the Fourth Proportional to 75,445.88, 104,123.22 and 41,911.88

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Solution

The fourth proportional to 75,445.88, 104,123.22 and 41,911.88 is: 57,842.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.88 : 104,123.22 = 41,911.88 : x
  2. Step 2: Convert to fraction form
    75,445.88/104,123.22 = 41,911.88/x
  3. Step 3: Cross multiply
    75,445.88x = 104,123.22 × 41,911.88
  4. Step 4: Simplify right side
    75,445.88x = 4,363,999,901.85
  5. Step 5: Solve for x
    x = 4,363,999,901.85/75,445.88
  6. Step 6: Final answer
    x = 57,842.79

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1.5x scale

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.