Home / 74,997.20-112,497.60-22,408.40

Finding the Fourth Proportional to 74,997.20, 112,497.60 and 22,408.40

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Solution

The fourth proportional to 74,997.20, 112,497.60 and 22,408.40 is: 33,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,997.20 : 112,497.60 = 22,408.40 : x
  2. Step 2: Convert to fraction form
    74,997.20/112,497.60 = 22,408.40/x
  3. Step 3: Cross multiply
    74,997.20x = 112,497.60 × 22,408.40
  4. Step 4: Simplify right side
    74,997.20x = 2,520,891,219.84
  5. Step 5: Solve for x
    x = 2,520,891,219.84/74,997.20
  6. Step 6: Final answer
    x = 33,613.14

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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.