Home / 67,516.40-101,288.96-23,131.24

Finding the Fourth Proportional to 67,516.40, 101,288.96 and 23,131.24

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Solution

The fourth proportional to 67,516.40, 101,288.96 and 23,131.24 is: 34,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,516.40 : 101,288.96 = 23,131.24 : x
  2. Step 2: Convert to fraction form
    67,516.40/101,288.96 = 23,131.24/x
  3. Step 3: Cross multiply
    67,516.40x = 101,288.96 × 23,131.24
  4. Step 4: Simplify right side
    67,516.40x = 2,342,939,243.11
  5. Step 5: Solve for x
    x = 2,342,939,243.11/67,516.40
  6. Step 6: Final answer
    x = 34,701.78

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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.