Home / 75,789.28-104,589.44-42,256.48

Finding the Fourth Proportional to 75,789.28, 104,589.44 and 42,256.48

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Solution

The fourth proportional to 75,789.28, 104,589.44 and 42,256.48 is: 58,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.28 : 104,589.44 = 42,256.48 : x
  2. Step 2: Convert to fraction form
    75,789.28/104,589.44 = 42,256.48/x
  3. Step 3: Cross multiply
    75,789.28x = 104,589.44 × 42,256.48
  4. Step 4: Simplify right side
    75,789.28x = 4,419,581,579.57
  5. Step 5: Solve for x
    x = 4,419,581,579.57/75,789.28
  6. Step 6: Final answer
    x = 58,314.07

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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.