Home / 71,317.72-106,954.68-49,272.76

Finding the Fourth Proportional to 71,317.72, 106,954.68 and 49,272.76

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Solution

The fourth proportional to 71,317.72, 106,954.68 and 49,272.76 is: 73,894.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,317.72 : 106,954.68 = 49,272.76 : x
  2. Step 2: Convert to fraction form
    71,317.72/106,954.68 = 49,272.76/x
  3. Step 3: Cross multiply
    71,317.72x = 106,954.68 × 49,272.76
  4. Step 4: Simplify right side
    71,317.72x = 5,269,952,278.52
  5. Step 5: Solve for x
    x = 5,269,952,278.52/71,317.72
  6. Step 6: Final answer
    x = 73,894.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.