Home / 55,048.80-75,979.44-36,187.68

Finding the Fourth Proportional to 55,048.80, 75,979.44 and 36,187.68

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Solution

The fourth proportional to 55,048.80, 75,979.44 and 36,187.68 is: 49,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,048.80 : 75,979.44 = 36,187.68 : x
  2. Step 2: Convert to fraction form
    55,048.80/75,979.44 = 36,187.68/x
  3. Step 3: Cross multiply
    55,048.80x = 75,979.44 × 36,187.68
  4. Step 4: Simplify right side
    55,048.80x = 2,749,519,661.30
  5. Step 5: Solve for x
    x = 2,749,519,661.30/55,048.80
  6. Step 6: Final answer
    x = 49,946.95

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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.