Home / 61,103.11-91,665.60-40,086.04

Finding the Fourth Proportional to 61,103.11, 91,665.60 and 40,086.04

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Solution

The fourth proportional to 61,103.11, 91,665.60 and 40,086.04 is: 60,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,103.11 : 91,665.60 = 40,086.04 : x
  2. Step 2: Convert to fraction form
    61,103.11/91,665.60 = 40,086.04/x
  3. Step 3: Cross multiply
    61,103.11x = 91,665.60 × 40,086.04
  4. Step 4: Simplify right side
    61,103.11x = 3,674,510,908.22
  5. Step 5: Solve for x
    x = 3,674,510,908.22/61,103.11
  6. Step 6: Final answer
    x = 60,136.23

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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.