Home / 69,733.24-96,231.42-39,931

Finding the Fourth Proportional to 69,733.24, 96,231.42 and 39,931

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Solution

The fourth proportional to 69,733.24, 96,231.42 and 39,931 is: 55,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,733.24 : 96,231.42 = 39,931 : x
  2. Step 2: Convert to fraction form
    69,733.24/96,231.42 = 39,931/x
  3. Step 3: Cross multiply
    69,733.24x = 96,231.42 × 39,931
  4. Step 4: Simplify right side
    69,733.24x = 3,842,616,832.02
  5. Step 5: Solve for x
    x = 3,842,616,832.02/69,733.24
  6. Step 6: Final answer
    x = 55,104.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.