Home / 48,756.10-73,134.15-45,475.60

Finding the Fourth Proportional to 48,756.10, 73,134.15 and 45,475.60

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Solution

The fourth proportional to 48,756.10, 73,134.15 and 45,475.60 is: 68,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.10 : 73,134.15 = 45,475.60 : x
  2. Step 2: Convert to fraction form
    48,756.10/73,134.15 = 45,475.60/x
  3. Step 3: Cross multiply
    48,756.10x = 73,134.15 × 45,475.60
  4. Step 4: Simplify right side
    48,756.10x = 3,325,819,351.74
  5. Step 5: Solve for x
    x = 3,325,819,351.74/48,756.10
  6. Step 6: Final answer
    x = 68,213.40

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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.