Home / 88,905.52-122,691.75-50,664.25

Finding the Fourth Proportional to 88,905.52, 122,691.75 and 50,664.25

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Solution

The fourth proportional to 88,905.52, 122,691.75 and 50,664.25 is: 69,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.52 : 122,691.75 = 50,664.25 : x
  2. Step 2: Convert to fraction form
    88,905.52/122,691.75 = 50,664.25/x
  3. Step 3: Cross multiply
    88,905.52x = 122,691.75 × 50,664.25
  4. Step 4: Simplify right side
    88,905.52x = 6,216,085,494.94
  5. Step 5: Solve for x
    x = 6,216,085,494.94/88,905.52
  6. Step 6: Final answer
    x = 69,917.88

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1.5x scale

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.