Home / 71,709.35-107,563.91-34,155.53

Finding the Fourth Proportional to 71,709.35, 107,563.91 and 34,155.53

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Solution

The fourth proportional to 71,709.35, 107,563.91 and 34,155.53 is: 51,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,709.35 : 107,563.91 = 34,155.53 : x
  2. Step 2: Convert to fraction form
    71,709.35/107,563.91 = 34,155.53/x
  3. Step 3: Cross multiply
    71,709.35x = 107,563.91 × 34,155.53
  4. Step 4: Simplify right side
    71,709.35x = 3,673,901,646.33
  5. Step 5: Solve for x
    x = 3,673,901,646.33/71,709.35
  6. Step 6: Final answer
    x = 51,233.23

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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.