Home / 74,876.42-112,217.68-30,451.57

Finding the Fourth Proportional to 74,876.42, 112,217.68 and 30,451.57

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Solution

The fourth proportional to 74,876.42, 112,217.68 and 30,451.57 is: 45,637.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876.42 : 112,217.68 = 30,451.57 : x
  2. Step 2: Convert to fraction form
    74,876.42/112,217.68 = 30,451.57/x
  3. Step 3: Cross multiply
    74,876.42x = 112,217.68 × 30,451.57
  4. Step 4: Simplify right side
    74,876.42x = 3,417,204,537.76
  5. Step 5: Solve for x
    x = 3,417,204,537.76/74,876.42
  6. Step 6: Final answer
    x = 45,637.93

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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.