Home / 53,862.36-80,668.14-51,993.96

Finding the Fourth Proportional to 53,862.36, 80,668.14 and 51,993.96

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Solution

The fourth proportional to 53,862.36, 80,668.14 and 51,993.96 is: 77,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.36 : 80,668.14 = 51,993.96 : x
  2. Step 2: Convert to fraction form
    53,862.36/80,668.14 = 51,993.96/x
  3. Step 3: Cross multiply
    53,862.36x = 80,668.14 × 51,993.96
  4. Step 4: Simplify right side
    53,862.36x = 4,194,256,044.43
  5. Step 5: Solve for x
    x = 4,194,256,044.43/53,862.36
  6. Step 6: Final answer
    x = 77,869.89

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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.