Home / 88,721.75-122,436.21-48,435.52

Finding the Fourth Proportional to 88,721.75, 122,436.21 and 48,435.52

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Solution

The fourth proportional to 88,721.75, 122,436.21 and 48,435.52 is: 66,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.75 : 122,436.21 = 48,435.52 : x
  2. Step 2: Convert to fraction form
    88,721.75/122,436.21 = 48,435.52/x
  3. Step 3: Cross multiply
    88,721.75x = 122,436.21 × 48,435.52
  4. Step 4: Simplify right side
    88,721.75x = 5,930,261,498.18
  5. Step 5: Solve for x
    x = 5,930,261,498.18/88,721.75
  6. Step 6: Final answer
    x = 66,841.12

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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.