Home / 67,665.60-101,436.48-26,081.28

Finding the Fourth Proportional to 67,665.60, 101,436.48 and 26,081.28

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Solution

The fourth proportional to 67,665.60, 101,436.48 and 26,081.28 is: 39,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,665.60 : 101,436.48 = 26,081.28 : x
  2. Step 2: Convert to fraction form
    67,665.60/101,436.48 = 26,081.28/x
  3. Step 3: Cross multiply
    67,665.60x = 101,436.48 × 26,081.28
  4. Step 4: Simplify right side
    67,665.60x = 2,645,593,237.09
  5. Step 5: Solve for x
    x = 2,645,593,237.09/67,665.60
  6. Step 6: Final answer
    x = 39,098.05

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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.