Home / 67,561.24-101,352.87-20,814.11

Finding the Fourth Proportional to 67,561.24, 101,352.87 and 20,814.11

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Solution

The fourth proportional to 67,561.24, 101,352.87 and 20,814.11 is: 31,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,561.24 : 101,352.87 = 20,814.11 : x
  2. Step 2: Convert to fraction form
    67,561.24/101,352.87 = 20,814.11/x
  3. Step 3: Cross multiply
    67,561.24x = 101,352.87 × 20,814.11
  4. Step 4: Simplify right side
    67,561.24x = 2,109,570,228.41
  5. Step 5: Solve for x
    x = 2,109,570,228.41/67,561.24
  6. Step 6: Final answer
    x = 31,224.56

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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.