Home / 72,071.49-108,156.45-25,324.35

Finding the Fourth Proportional to 72,071.49, 108,156.45 and 25,324.35

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Solution

The fourth proportional to 72,071.49, 108,156.45 and 25,324.35 is: 38,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,071.49 : 108,156.45 = 25,324.35 : x
  2. Step 2: Convert to fraction form
    72,071.49/108,156.45 = 25,324.35/x
  3. Step 3: Cross multiply
    72,071.49x = 108,156.45 × 25,324.35
  4. Step 4: Simplify right side
    72,071.49x = 2,738,991,794.56
  5. Step 5: Solve for x
    x = 2,738,991,794.56/72,071.49
  6. Step 6: Final answer
    x = 38,003.82

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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.