Home / 88,029.25-132,010.70-31,855.46

Finding the Fourth Proportional to 88,029.25, 132,010.70 and 31,855.46

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Solution

The fourth proportional to 88,029.25, 132,010.70 and 31,855.46 is: 47,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,029.25 : 132,010.70 = 31,855.46 : x
  2. Step 2: Convert to fraction form
    88,029.25/132,010.70 = 31,855.46/x
  3. Step 3: Cross multiply
    88,029.25x = 132,010.70 × 31,855.46
  4. Step 4: Simplify right side
    88,029.25x = 4,205,261,983.09
  5. Step 5: Solve for x
    x = 4,205,261,983.09/88,029.25
  6. Step 6: Final answer
    x = 47,771.19

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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.