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Finding the Fourth Proportional to 80,013.77, 119,936.40 and 26,691.47

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Solution

The fourth proportional to 80,013.77, 119,936.40 and 26,691.47 is: 40,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.77 : 119,936.40 = 26,691.47 : x
  2. Step 2: Convert to fraction form
    80,013.77/119,936.40 = 26,691.47/x
  3. Step 3: Cross multiply
    80,013.77x = 119,936.40 × 26,691.47
  4. Step 4: Simplify right side
    80,013.77x = 3,201,278,822.51
  5. Step 5: Solve for x
    x = 3,201,278,822.51/80,013.77
  6. Step 6: Final answer
    x = 40,009.10

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1.5x scale

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.