Home / 88,009.54-121,452.82-47,723.18

Finding the Fourth Proportional to 88,009.54, 121,452.82 and 47,723.18

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Solution

The fourth proportional to 88,009.54, 121,452.82 and 47,723.18 is: 65,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,009.54 : 121,452.82 = 47,723.18 : x
  2. Step 2: Convert to fraction form
    88,009.54/121,452.82 = 47,723.18/x
  3. Step 3: Cross multiply
    88,009.54x = 121,452.82 × 47,723.18
  4. Step 4: Simplify right side
    88,009.54x = 5,796,114,063.80
  5. Step 5: Solve for x
    x = 5,796,114,063.80/88,009.54
  6. Step 6: Final answer
    x = 65,857.79

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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.