Home / 77,249.40-115,874.10-24,664.20

Finding the Fourth Proportional to 77,249.40, 115,874.10 and 24,664.20

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Solution

The fourth proportional to 77,249.40, 115,874.10 and 24,664.20 is: 36,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,249.40 : 115,874.10 = 24,664.20 : x
  2. Step 2: Convert to fraction form
    77,249.40/115,874.10 = 24,664.20/x
  3. Step 3: Cross multiply
    77,249.40x = 115,874.10 × 24,664.20
  4. Step 4: Simplify right side
    77,249.40x = 2,857,941,977.22
  5. Step 5: Solve for x
    x = 2,857,941,977.22/77,249.40
  6. Step 6: Final answer
    x = 36,996.30

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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.