Home / 74,997.20-112,524.60-73,816.40

Finding the Fourth Proportional to 74,997.20, 112,524.60 and 73,816.40

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Solution

The fourth proportional to 74,997.20, 112,524.60 and 73,816.40 is: 110,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,997.20 : 112,524.60 = 73,816.40 : x
  2. Step 2: Convert to fraction form
    74,997.20/112,524.60 = 73,816.40/x
  3. Step 3: Cross multiply
    74,997.20x = 112,524.60 × 73,816.40
  4. Step 4: Simplify right side
    74,997.20x = 8,306,160,883.44
  5. Step 5: Solve for x
    x = 8,306,160,883.44/74,997.20
  6. Step 6: Final answer
    x = 110,752.95

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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.