Home / 62,139.69-85,725.47-41,989.23

Finding the Fourth Proportional to 62,139.69, 85,725.47 and 41,989.23

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Solution

The fourth proportional to 62,139.69, 85,725.47 and 41,989.23 is: 57,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.69 : 85,725.47 = 41,989.23 : x
  2. Step 2: Convert to fraction form
    62,139.69/85,725.47 = 41,989.23/x
  3. Step 3: Cross multiply
    62,139.69x = 85,725.47 × 41,989.23
  4. Step 4: Simplify right side
    62,139.69x = 3,599,546,581.66
  5. Step 5: Solve for x
    x = 3,599,546,581.66/62,139.69
  6. Step 6: Final answer
    x = 57,926.69

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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.