Home / 62,840.20-86,720.94-34,161.49

Finding the Fourth Proportional to 62,840.20, 86,720.94 and 34,161.49

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Solution

The fourth proportional to 62,840.20, 86,720.94 and 34,161.49 is: 47,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,840.20 : 86,720.94 = 34,161.49 : x
  2. Step 2: Convert to fraction form
    62,840.20/86,720.94 = 34,161.49/x
  3. Step 3: Cross multiply
    62,840.20x = 86,720.94 × 34,161.49
  4. Step 4: Simplify right side
    62,840.20x = 2,962,516,091.00
  5. Step 5: Solve for x
    x = 2,962,516,091.00/62,840.20
  6. Step 6: Final answer
    x = 47,143.65

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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.