Home / 74,770.38-112,154.76-43,227.90

Finding the Fourth Proportional to 74,770.38, 112,154.76 and 43,227.90

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Solution

The fourth proportional to 74,770.38, 112,154.76 and 43,227.90 is: 64,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.38 : 112,154.76 = 43,227.90 : x
  2. Step 2: Convert to fraction form
    74,770.38/112,154.76 = 43,227.90/x
  3. Step 3: Cross multiply
    74,770.38x = 112,154.76 × 43,227.90
  4. Step 4: Simplify right side
    74,770.38x = 4,848,214,749.80
  5. Step 5: Solve for x
    x = 4,848,214,749.80/74,770.38
  6. Step 6: Final answer
    x = 64,841.38

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1.5x scale

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.