Home / 67,690.27-101,424.43-47,933.36

Finding the Fourth Proportional to 67,690.27, 101,424.43 and 47,933.36

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Solution

The fourth proportional to 67,690.27, 101,424.43 and 47,933.36 is: 71,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,690.27 : 101,424.43 = 47,933.36 : x
  2. Step 2: Convert to fraction form
    67,690.27/101,424.43 = 47,933.36/x
  3. Step 3: Cross multiply
    67,690.27x = 101,424.43 × 47,933.36
  4. Step 4: Simplify right side
    67,690.27x = 4,861,613,715.98
  5. Step 5: Solve for x
    x = 4,861,613,715.98/67,690.27
  6. Step 6: Final answer
    x = 71,821.46

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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.