Home / 92,269.38-138,403.99-71,240.01

Finding the Fourth Proportional to 92,269.38, 138,403.99 and 71,240.01

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Solution

The fourth proportional to 92,269.38, 138,403.99 and 71,240.01 is: 106,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,269.38 : 138,403.99 = 71,240.01 : x
  2. Step 2: Convert to fraction form
    92,269.38/138,403.99 = 71,240.01/x
  3. Step 3: Cross multiply
    92,269.38x = 138,403.99 × 71,240.01
  4. Step 4: Simplify right side
    92,269.38x = 9,859,901,201.67
  5. Step 5: Solve for x
    x = 9,859,901,201.67/92,269.38
  6. Step 6: Final answer
    x = 106,859.95

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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.