Home / 102,660.39-154,039.77-50,041.17

Finding the Fourth Proportional to 102,660.39, 154,039.77 and 50,041.17

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Solution

The fourth proportional to 102,660.39, 154,039.77 and 50,041.17 is: 75,085.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,660.39 : 154,039.77 = 50,041.17 : x
  2. Step 2: Convert to fraction form
    102,660.39/154,039.77 = 50,041.17/x
  3. Step 3: Cross multiply
    102,660.39x = 154,039.77 × 50,041.17
  4. Step 4: Simplify right side
    102,660.39x = 7,708,330,317.33
  5. Step 5: Solve for x
    x = 7,708,330,317.33/102,660.39
  6. Step 6: Final answer
    x = 75,085.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.