Home / 71,936.83-99,271.74-40,104.91

Finding the Fourth Proportional to 71,936.83, 99,271.74 and 40,104.91

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Solution

The fourth proportional to 71,936.83, 99,271.74 and 40,104.91 is: 55,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,936.83 : 99,271.74 = 40,104.91 : x
  2. Step 2: Convert to fraction form
    71,936.83/99,271.74 = 40,104.91/x
  3. Step 3: Cross multiply
    71,936.83x = 99,271.74 × 40,104.91
  4. Step 4: Simplify right side
    71,936.83x = 3,981,284,198.24
  5. Step 5: Solve for x
    x = 3,981,284,198.24/71,936.83
  6. Step 6: Final answer
    x = 55,344.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.