Home / 88,443.20-122,048.78-48,156.64

Finding the Fourth Proportional to 88,443.20, 122,048.78 and 48,156.64

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Solution

The fourth proportional to 88,443.20, 122,048.78 and 48,156.64 is: 66,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,443.20 : 122,048.78 = 48,156.64 : x
  2. Step 2: Convert to fraction form
    88,443.20/122,048.78 = 48,156.64/x
  3. Step 3: Cross multiply
    88,443.20x = 122,048.78 × 48,156.64
  4. Step 4: Simplify right side
    88,443.20x = 5,877,458,614.99
  5. Step 5: Solve for x
    x = 5,877,458,614.99/88,443.20
  6. Step 6: Final answer
    x = 66,454.61

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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.