Home / 74,529.62-111,793.44-18,370.40

Finding the Fourth Proportional to 74,529.62, 111,793.44 and 18,370.40

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Solution

The fourth proportional to 74,529.62, 111,793.44 and 18,370.40 is: 27,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529.62 : 111,793.44 = 18,370.40 : x
  2. Step 2: Convert to fraction form
    74,529.62/111,793.44 = 18,370.40/x
  3. Step 3: Cross multiply
    74,529.62x = 111,793.44 × 18,370.40
  4. Step 4: Simplify right side
    74,529.62x = 2,053,690,210.18
  5. Step 5: Solve for x
    x = 2,053,690,210.18/74,529.62
  6. Step 6: Final answer
    x = 27,555.36

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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.