Home / 72,897.03-109,329.14-26,149.90

Finding the Fourth Proportional to 72,897.03, 109,329.14 and 26,149.90

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Solution

The fourth proportional to 72,897.03, 109,329.14 and 26,149.90 is: 39,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,897.03 : 109,329.14 = 26,149.90 : x
  2. Step 2: Convert to fraction form
    72,897.03/109,329.14 = 26,149.90/x
  3. Step 3: Cross multiply
    72,897.03x = 109,329.14 × 26,149.90
  4. Step 4: Simplify right side
    72,897.03x = 2,858,945,947.34
  5. Step 5: Solve for x
    x = 2,858,945,947.34/72,897.03
  6. Step 6: Final answer
    x = 39,218.97

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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.