Home / 79,979.72-119,865.50-32,539.52

Finding the Fourth Proportional to 79,979.72, 119,865.50 and 32,539.52

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Solution

The fourth proportional to 79,979.72, 119,865.50 and 32,539.52 is: 48,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,979.72 : 119,865.50 = 32,539.52 : x
  2. Step 2: Convert to fraction form
    79,979.72/119,865.50 = 32,539.52/x
  3. Step 3: Cross multiply
    79,979.72x = 119,865.50 × 32,539.52
  4. Step 4: Simplify right side
    79,979.72x = 3,900,365,316.58
  5. Step 5: Solve for x
    x = 3,900,365,316.58/79,979.72
  6. Step 6: Final answer
    x = 48,766.93

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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.