Home / 61,942.26-85,487.49-58,142.15

Finding the Fourth Proportional to 61,942.26, 85,487.49 and 58,142.15

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Solution

The fourth proportional to 61,942.26, 85,487.49 and 58,142.15 is: 80,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,942.26 : 85,487.49 = 58,142.15 : x
  2. Step 2: Convert to fraction form
    61,942.26/85,487.49 = 58,142.15/x
  3. Step 3: Cross multiply
    61,942.26x = 85,487.49 × 58,142.15
  4. Step 4: Simplify right side
    61,942.26x = 4,970,426,039.27
  5. Step 5: Solve for x
    x = 4,970,426,039.27/61,942.26
  6. Step 6: Final answer
    x = 80,242.89

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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.