Home / 48,249.60-72,331.20-43,000.80

Finding the Fourth Proportional to 48,249.60, 72,331.20 and 43,000.80

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Solution

The fourth proportional to 48,249.60, 72,331.20 and 43,000.80 is: 64,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249.60 : 72,331.20 = 43,000.80 : x
  2. Step 2: Convert to fraction form
    48,249.60/72,331.20 = 43,000.80/x
  3. Step 3: Cross multiply
    48,249.60x = 72,331.20 × 43,000.80
  4. Step 4: Simplify right side
    48,249.60x = 3,110,299,464.96
  5. Step 5: Solve for x
    x = 3,110,299,464.96/48,249.60
  6. Step 6: Final answer
    x = 64,462.70

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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.