Home / 48,811.60-73,217.40-48,293.20

Finding the Fourth Proportional to 48,811.60, 73,217.40 and 48,293.20

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Solution

The fourth proportional to 48,811.60, 73,217.40 and 48,293.20 is: 72,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,811.60 : 73,217.40 = 48,293.20 : x
  2. Step 2: Convert to fraction form
    48,811.60/73,217.40 = 48,293.20/x
  3. Step 3: Cross multiply
    48,811.60x = 73,217.40 × 48,293.20
  4. Step 4: Simplify right side
    48,811.60x = 3,535,902,541.68
  5. Step 5: Solve for x
    x = 3,535,902,541.68/48,811.60
  6. Step 6: Final answer
    x = 72,439.80

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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.