Home / 72,316.36-108,489.12-25,602.04

Finding the Fourth Proportional to 72,316.36, 108,489.12 and 25,602.04

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Solution

The fourth proportional to 72,316.36, 108,489.12 and 25,602.04 is: 38,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,316.36 : 108,489.12 = 25,602.04 : x
  2. Step 2: Convert to fraction form
    72,316.36/108,489.12 = 25,602.04/x
  3. Step 3: Cross multiply
    72,316.36x = 108,489.12 × 25,602.04
  4. Step 4: Simplify right side
    72,316.36x = 2,777,542,789.80
  5. Step 5: Solve for x
    x = 2,777,542,789.80/72,316.36
  6. Step 6: Final answer
    x = 38,408.22

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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.