Home / 75,566.28-104,288.32-41,581.56

Finding the Fourth Proportional to 75,566.28, 104,288.32 and 41,581.56

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Solution

The fourth proportional to 75,566.28, 104,288.32 and 41,581.56 is: 57,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,566.28 : 104,288.32 = 41,581.56 : x
  2. Step 2: Convert to fraction form
    75,566.28/104,288.32 = 41,581.56/x
  3. Step 3: Cross multiply
    75,566.28x = 104,288.32 × 41,581.56
  4. Step 4: Simplify right side
    75,566.28x = 4,336,471,035.38
  5. Step 5: Solve for x
    x = 4,336,471,035.38/75,566.28
  6. Step 6: Final answer
    x = 57,386.32

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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.