Home / 67,911.50-101,774.96-25,768.93

Finding the Fourth Proportional to 67,911.50, 101,774.96 and 25,768.93

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Solution

The fourth proportional to 67,911.50, 101,774.96 and 25,768.93 is: 38,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,911.50 : 101,774.96 = 25,768.93 : x
  2. Step 2: Convert to fraction form
    67,911.50/101,774.96 = 25,768.93/x
  3. Step 3: Cross multiply
    67,911.50x = 101,774.96 × 25,768.93
  4. Step 4: Simplify right side
    67,911.50x = 2,622,631,311.12
  5. Step 5: Solve for x
    x = 2,622,631,311.12/67,911.50
  6. Step 6: Final answer
    x = 38,618.37

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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.