Home / 88,249.54-121,783.16-47,964.64

Finding the Fourth Proportional to 88,249.54, 121,783.16 and 47,964.64

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Solution

The fourth proportional to 88,249.54, 121,783.16 and 47,964.64 is: 66,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.54 : 121,783.16 = 47,964.64 : x
  2. Step 2: Convert to fraction form
    88,249.54/121,783.16 = 47,964.64/x
  3. Step 3: Cross multiply
    88,249.54x = 121,783.16 × 47,964.64
  4. Step 4: Simplify right side
    88,249.54x = 5,841,285,427.46
  5. Step 5: Solve for x
    x = 5,841,285,427.46/88,249.54
  6. Step 6: Final answer
    x = 66,190.55

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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.