Home / 88,249.78-121,787.64-51,944.66

Finding the Fourth Proportional to 88,249.78, 121,787.64 and 51,944.66

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Solution

The fourth proportional to 88,249.78, 121,787.64 and 51,944.66 is: 71,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.78 : 121,787.64 = 51,944.66 : x
  2. Step 2: Convert to fraction form
    88,249.78/121,787.64 = 51,944.66/x
  3. Step 3: Cross multiply
    88,249.78x = 121,787.64 × 51,944.66
  4. Step 4: Simplify right side
    88,249.78x = 6,326,217,552.00
  5. Step 5: Solve for x
    x = 6,326,217,552.00/88,249.78
  6. Step 6: Final answer
    x = 71,685.36

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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.