Home / 48,720.20-73,109.10-35,539.40

Finding the Fourth Proportional to 48,720.20, 73,109.10 and 35,539.40

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Solution

The fourth proportional to 48,720.20, 73,109.10 and 35,539.40 is: 53,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,720.20 : 73,109.10 = 35,539.40 : x
  2. Step 2: Convert to fraction form
    48,720.20/73,109.10 = 35,539.40/x
  3. Step 3: Cross multiply
    48,720.20x = 73,109.10 × 35,539.40
  4. Step 4: Simplify right side
    48,720.20x = 2,598,253,548.54
  5. Step 5: Solve for x
    x = 2,598,253,548.54/48,720.20
  6. Step 6: Final answer
    x = 53,330.11

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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.