Home / 74,876.96-112,331.64-22,290.68

Finding the Fourth Proportional to 74,876.96, 112,331.64 and 22,290.68

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Solution

The fourth proportional to 74,876.96, 112,331.64 and 22,290.68 is: 33,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876.96 : 112,331.64 = 22,290.68 : x
  2. Step 2: Convert to fraction form
    74,876.96/112,331.64 = 22,290.68/x
  3. Step 3: Cross multiply
    74,876.96x = 112,331.64 × 22,290.68
  4. Step 4: Simplify right side
    74,876.96x = 2,503,948,641.12
  5. Step 5: Solve for x
    x = 2,503,948,641.12/74,876.96
  6. Step 6: Final answer
    x = 33,440.84

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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.