Home / 52,243.20-78,249.60-27,590.40

Finding the Fourth Proportional to 52,243.20, 78,249.60 and 27,590.40

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Solution

The fourth proportional to 52,243.20, 78,249.60 and 27,590.40 is: 41,324.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,243.20 : 78,249.60 = 27,590.40 : x
  2. Step 2: Convert to fraction form
    52,243.20/78,249.60 = 27,590.40/x
  3. Step 3: Cross multiply
    52,243.20x = 78,249.60 × 27,590.40
  4. Step 4: Simplify right side
    52,243.20x = 2,158,937,763.84
  5. Step 5: Solve for x
    x = 2,158,937,763.84/52,243.20
  6. Step 6: Final answer
    x = 41,324.76

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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.