Home / 88,335.90-121,906.71-50,617.44

Finding the Fourth Proportional to 88,335.90, 121,906.71 and 50,617.44

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Solution

The fourth proportional to 88,335.90, 121,906.71 and 50,617.44 is: 69,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,335.90 : 121,906.71 = 50,617.44 : x
  2. Step 2: Convert to fraction form
    88,335.90/121,906.71 = 50,617.44/x
  3. Step 3: Cross multiply
    88,335.90x = 121,906.71 × 50,617.44
  4. Step 4: Simplify right side
    88,335.90x = 6,170,605,579.02
  5. Step 5: Solve for x
    x = 6,170,605,579.02/88,335.90
  6. Step 6: Final answer
    x = 69,853.88

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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.