Home / 77,651.75-116,394.54-40,174.07

Finding the Fourth Proportional to 77,651.75, 116,394.54 and 40,174.07

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Solution

The fourth proportional to 77,651.75, 116,394.54 and 40,174.07 is: 60,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,651.75 : 116,394.54 = 40,174.07 : x
  2. Step 2: Convert to fraction form
    77,651.75/116,394.54 = 40,174.07/x
  3. Step 3: Cross multiply
    77,651.75x = 116,394.54 × 40,174.07
  4. Step 4: Simplify right side
    77,651.75x = 4,676,042,397.58
  5. Step 5: Solve for x
    x = 4,676,042,397.58/77,651.75
  6. Step 6: Final answer
    x = 60,218.12

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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.