Home / 88,119.62-121,601.76-47,832.51

Finding the Fourth Proportional to 88,119.62, 121,601.76 and 47,832.51

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Solution

The fourth proportional to 88,119.62, 121,601.76 and 47,832.51 is: 66,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.62 : 121,601.76 = 47,832.51 : x
  2. Step 2: Convert to fraction form
    88,119.62/121,601.76 = 47,832.51/x
  3. Step 3: Cross multiply
    88,119.62x = 121,601.76 × 47,832.51
  4. Step 4: Simplify right side
    88,119.62x = 5,816,517,401.22
  5. Step 5: Solve for x
    x = 5,816,517,401.22/88,119.62
  6. Step 6: Final answer
    x = 66,007.07

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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.