Home / 62,139.57-85,725.32-41,989.11

Finding the Fourth Proportional to 62,139.57, 85,725.32 and 41,989.11

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Solution

The fourth proportional to 62,139.57, 85,725.32 and 41,989.11 is: 57,926.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,139.57 : 85,725.32 = 41,989.11 : x
  2. Step 2: Convert to fraction form
    62,139.57/85,725.32 = 41,989.11/x
  3. Step 3: Cross multiply
    62,139.57x = 85,725.32 × 41,989.11
  4. Step 4: Simplify right side
    62,139.57x = 3,599,529,891.27
  5. Step 5: Solve for x
    x = 3,599,529,891.27/62,139.57
  6. Step 6: Final answer
    x = 57,926.53

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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.