Home / 88,239.33-132,357.86-21,679.77

Finding the Fourth Proportional to 88,239.33, 132,357.86 and 21,679.77

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Solution

The fourth proportional to 88,239.33, 132,357.86 and 21,679.77 is: 32,519.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.33 : 132,357.86 = 21,679.77 : x
  2. Step 2: Convert to fraction form
    88,239.33/132,357.86 = 21,679.77/x
  3. Step 3: Cross multiply
    88,239.33x = 132,357.86 × 21,679.77
  4. Step 4: Simplify right side
    88,239.33x = 2,869,487,854.09
  5. Step 5: Solve for x
    x = 2,869,487,854.09/88,239.33
  6. Step 6: Final answer
    x = 32,519.37

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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.