Home / 83,814.78-115,668.61-51,993.93

Finding the Fourth Proportional to 83,814.78, 115,668.61 and 51,993.93

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Solution

The fourth proportional to 83,814.78, 115,668.61 and 51,993.93 is: 71,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.78 : 115,668.61 = 51,993.93 : x
  2. Step 2: Convert to fraction form
    83,814.78/115,668.61 = 51,993.93/x
  3. Step 3: Cross multiply
    83,814.78x = 115,668.61 × 51,993.93
  4. Step 4: Simplify right side
    83,814.78x = 6,014,065,915.31
  5. Step 5: Solve for x
    x = 6,014,065,915.31/83,814.78
  6. Step 6: Final answer
    x = 71,754.24

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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.