Home / 48,820.20-73,230.30-40,655.40

Finding the Fourth Proportional to 48,820.20, 73,230.30 and 40,655.40

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Solution

The fourth proportional to 48,820.20, 73,230.30 and 40,655.40 is: 60,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,820.20 : 73,230.30 = 40,655.40 : x
  2. Step 2: Convert to fraction form
    48,820.20/73,230.30 = 40,655.40/x
  3. Step 3: Cross multiply
    48,820.20x = 73,230.30 × 40,655.40
  4. Step 4: Simplify right side
    48,820.20x = 2,977,207,138.62
  5. Step 5: Solve for x
    x = 2,977,207,138.62/48,820.20
  6. Step 6: Final answer
    x = 60,983.10

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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.