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Finding the Fourth Proportional to 62,480.94, 86,224.94 and 34,187.23

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Solution

The fourth proportional to 62,480.94, 86,224.94 and 34,187.23 is: 47,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,480.94 : 86,224.94 = 34,187.23 : x
  2. Step 2: Convert to fraction form
    62,480.94/86,224.94 = 34,187.23/x
  3. Step 3: Cross multiply
    62,480.94x = 86,224.94 × 34,187.23
  4. Step 4: Simplify right side
    62,480.94x = 2,947,791,855.52
  5. Step 5: Solve for x
    x = 2,947,791,855.52/62,480.94
  6. Step 6: Final answer
    x = 47,179.06

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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.