Home / 74,680.56-112,042.68-22,091.40

Finding the Fourth Proportional to 74,680.56, 112,042.68 and 22,091.40

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Solution

The fourth proportional to 74,680.56, 112,042.68 and 22,091.40 is: 33,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.56 : 112,042.68 = 22,091.40 : x
  2. Step 2: Convert to fraction form
    74,680.56/112,042.68 = 22,091.40/x
  3. Step 3: Cross multiply
    74,680.56x = 112,042.68 × 22,091.40
  4. Step 4: Simplify right side
    74,680.56x = 2,475,179,660.95
  5. Step 5: Solve for x
    x = 2,475,179,660.95/74,680.56
  6. Step 6: Final answer
    x = 33,143.56

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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.