Home / 74,677.92-112,020.96-30,298.08

Finding the Fourth Proportional to 74,677.92, 112,020.96 and 30,298.08

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Solution

The fourth proportional to 74,677.92, 112,020.96 and 30,298.08 is: 45,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,677.92 : 112,020.96 = 30,298.08 : x
  2. Step 2: Convert to fraction form
    74,677.92/112,020.96 = 30,298.08/x
  3. Step 3: Cross multiply
    74,677.92x = 112,020.96 × 30,298.08
  4. Step 4: Simplify right side
    74,677.92x = 3,394,020,007.76
  5. Step 5: Solve for x
    x = 3,394,020,007.76/74,677.92
  6. Step 6: Final answer
    x = 45,448.78

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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.