Home / 74,770.11-112,155.57-22,180.05

Finding the Fourth Proportional to 74,770.11, 112,155.57 and 22,180.05

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Solution

The fourth proportional to 74,770.11, 112,155.57 and 22,180.05 is: 33,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.11 : 112,155.57 = 22,180.05 : x
  2. Step 2: Convert to fraction form
    74,770.11/112,155.57 = 22,180.05/x
  3. Step 3: Cross multiply
    74,770.11x = 112,155.57 × 22,180.05
  4. Step 4: Simplify right side
    74,770.11x = 2,487,616,150.38
  5. Step 5: Solve for x
    x = 2,487,616,150.38/74,770.11
  6. Step 6: Final answer
    x = 33,270.20

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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.