Home / 88,721.02-122,436.86-48,436.48

Finding the Fourth Proportional to 88,721.02, 122,436.86 and 48,436.48

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Solution

The fourth proportional to 88,721.02, 122,436.86 and 48,436.48 is: 66,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,721.02 : 122,436.86 = 48,436.48 : x
  2. Step 2: Convert to fraction form
    88,721.02/122,436.86 = 48,436.48/x
  3. Step 3: Cross multiply
    88,721.02x = 122,436.86 × 48,436.48
  4. Step 4: Simplify right side
    88,721.02x = 5,930,410,520.65
  5. Step 5: Solve for x
    x = 5,930,410,520.65/88,721.02
  6. Step 6: Final answer
    x = 66,843.35

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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.