Home / 62,139.75-85,725.58-41,989.29

Finding the Fourth Proportional to 62,139.75, 85,725.58 and 41,989.29

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Solution

The fourth proportional to 62,139.75, 85,725.58 and 41,989.29 is: 57,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.75 : 85,725.58 = 41,989.29 : x
  2. Step 2: Convert to fraction form
    62,139.75/85,725.58 = 41,989.29/x
  3. Step 3: Cross multiply
    62,139.75x = 85,725.58 × 41,989.29
  4. Step 4: Simplify right side
    62,139.75x = 3,599,556,239.04
  5. Step 5: Solve for x
    x = 3,599,556,239.04/62,139.75
  6. Step 6: Final answer
    x = 57,926.79

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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.