Home / 79,743.30-119,593.35-40,323.30

Finding the Fourth Proportional to 79,743.30, 119,593.35 and 40,323.30

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Solution

The fourth proportional to 79,743.30, 119,593.35 and 40,323.30 is: 60,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743.30 : 119,593.35 = 40,323.30 : x
  2. Step 2: Convert to fraction form
    79,743.30/119,593.35 = 40,323.30/x
  3. Step 3: Cross multiply
    79,743.30x = 119,593.35 × 40,323.30
  4. Step 4: Simplify right side
    79,743.30x = 4,822,398,530.06
  5. Step 5: Solve for x
    x = 4,822,398,530.06/79,743.30
  6. Step 6: Final answer
    x = 60,474.03

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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.