Home / 75,881.71-104,716.92-41,890.24

Finding the Fourth Proportional to 75,881.71, 104,716.92 and 41,890.24

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Solution

The fourth proportional to 75,881.71, 104,716.92 and 41,890.24 is: 57,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,881.71 : 104,716.92 = 41,890.24 : x
  2. Step 2: Convert to fraction form
    75,881.71/104,716.92 = 41,890.24/x
  3. Step 3: Cross multiply
    75,881.71x = 104,716.92 × 41,890.24
  4. Step 4: Simplify right side
    75,881.71x = 4,386,616,884.67
  5. Step 5: Solve for x
    x = 4,386,616,884.67/75,881.71
  6. Step 6: Final answer
    x = 57,808.62

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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.