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Finding the Fourth Proportional to 79,773.60, 119,617.20 and 32,973.60

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Solution

The fourth proportional to 79,773.60, 119,617.20 and 32,973.60 is: 49,442.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.60 : 119,617.20 = 32,973.60 : x
  2. Step 2: Convert to fraction form
    79,773.60/119,617.20 = 32,973.60/x
  3. Step 3: Cross multiply
    79,773.60x = 119,617.20 × 32,973.60
  4. Step 4: Simplify right side
    79,773.60x = 3,944,209,705.92
  5. Step 5: Solve for x
    x = 3,944,209,705.92/79,773.60
  6. Step 6: Final answer
    x = 49,442.54

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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.