Home / 88,725.65-122,436.77-48,431.66

Finding the Fourth Proportional to 88,725.65, 122,436.77 and 48,431.66

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Solution

The fourth proportional to 88,725.65, 122,436.77 and 48,431.66 is: 66,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,725.65 : 122,436.77 = 48,431.66 : x
  2. Step 2: Convert to fraction form
    88,725.65/122,436.77 = 48,431.66/x
  3. Step 3: Cross multiply
    88,725.65x = 122,436.77 × 48,431.66
  4. Step 4: Simplify right side
    88,725.65x = 5,929,815,161.80
  5. Step 5: Solve for x
    x = 5,929,815,161.80/88,725.65
  6. Step 6: Final answer
    x = 66,833.16

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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.