Home / 62,140.26-85,726.28-41,989.80

Finding the Fourth Proportional to 62,140.26, 85,726.28 and 41,989.80

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Solution

The fourth proportional to 62,140.26, 85,726.28 and 41,989.80 is: 57,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.26 : 85,726.28 = 41,989.80 : x
  2. Step 2: Convert to fraction form
    62,140.26/85,726.28 = 41,989.80/x
  3. Step 3: Cross multiply
    62,140.26x = 85,726.28 × 41,989.80
  4. Step 4: Simplify right side
    62,140.26x = 3,599,629,142.00
  5. Step 5: Solve for x
    x = 3,599,629,142.00/62,140.26
  6. Step 6: Final answer
    x = 57,927.49

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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.