Home / 75,398.04-113,101.92-31,023.81

Finding the Fourth Proportional to 75,398.04, 113,101.92 and 31,023.81

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Solution

The fourth proportional to 75,398.04, 113,101.92 and 31,023.81 is: 46,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.04 : 113,101.92 = 31,023.81 : x
  2. Step 2: Convert to fraction form
    75,398.04/113,101.92 = 31,023.81/x
  3. Step 3: Cross multiply
    75,398.04x = 113,101.92 × 31,023.81
  4. Step 4: Simplify right side
    75,398.04x = 3,508,852,476.72
  5. Step 5: Solve for x
    x = 3,508,852,476.72/75,398.04
  6. Step 6: Final answer
    x = 46,537.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.