Home / 48,765.60-73,148.40-45,485.10

Finding the Fourth Proportional to 48,765.60, 73,148.40 and 45,485.10

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Solution

The fourth proportional to 48,765.60, 73,148.40 and 45,485.10 is: 68,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,765.60 : 73,148.40 = 45,485.10 : x
  2. Step 2: Convert to fraction form
    48,765.60/73,148.40 = 45,485.10/x
  3. Step 3: Cross multiply
    48,765.60x = 73,148.40 × 45,485.10
  4. Step 4: Simplify right side
    48,765.60x = 3,327,162,288.84
  5. Step 5: Solve for x
    x = 3,327,162,288.84/48,765.60
  6. Step 6: Final answer
    x = 68,227.65

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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.