Home / 88,498.97-122,128.10-48,212.64

Finding the Fourth Proportional to 88,498.97, 122,128.10 and 48,212.64

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Solution

The fourth proportional to 88,498.97, 122,128.10 and 48,212.64 is: 66,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,498.97 : 122,128.10 = 48,212.64 : x
  2. Step 2: Convert to fraction form
    88,498.97/122,128.10 = 48,212.64/x
  3. Step 3: Cross multiply
    88,498.97x = 122,128.10 × 48,212.64
  4. Step 4: Simplify right side
    88,498.97x = 5,888,118,119.18
  5. Step 5: Solve for x
    x = 5,888,118,119.18/88,498.97
  6. Step 6: Final answer
    x = 66,533.18

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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.