Home / 74,689.32-111,995.10-22,091.70

Finding the Fourth Proportional to 74,689.32, 111,995.10 and 22,091.70

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Solution

The fourth proportional to 74,689.32, 111,995.10 and 22,091.70 is: 33,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,689.32 : 111,995.10 = 22,091.70 : x
  2. Step 2: Convert to fraction form
    74,689.32/111,995.10 = 22,091.70/x
  3. Step 3: Cross multiply
    74,689.32x = 111,995.10 × 22,091.70
  4. Step 4: Simplify right side
    74,689.32x = 2,474,162,150.67
  5. Step 5: Solve for x
    x = 2,474,162,150.67/74,689.32
  6. Step 6: Final answer
    x = 33,126.05

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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.