Home / 77,713.26-116,569.89-30,966.54

Finding the Fourth Proportional to 77,713.26, 116,569.89 and 30,966.54

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Solution

The fourth proportional to 77,713.26, 116,569.89 and 30,966.54 is: 46,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.26 : 116,569.89 = 30,966.54 : x
  2. Step 2: Convert to fraction form
    77,713.26/116,569.89 = 30,966.54/x
  3. Step 3: Cross multiply
    77,713.26x = 116,569.89 × 30,966.54
  4. Step 4: Simplify right side
    77,713.26x = 3,609,766,161.48
  5. Step 5: Solve for x
    x = 3,609,766,161.48/77,713.26
  6. Step 6: Final answer
    x = 46,449.81

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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.