Home / 55,976.27-77,140.96-40,033.04

Finding the Fourth Proportional to 55,976.27, 77,140.96 and 40,033.04

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Solution

The fourth proportional to 55,976.27, 77,140.96 and 40,033.04 is: 55,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.27 : 77,140.96 = 40,033.04 : x
  2. Step 2: Convert to fraction form
    55,976.27/77,140.96 = 40,033.04/x
  3. Step 3: Cross multiply
    55,976.27x = 77,140.96 × 40,033.04
  4. Step 4: Simplify right side
    55,976.27x = 3,088,186,651.53
  5. Step 5: Solve for x
    x = 3,088,186,651.53/55,976.27
  6. Step 6: Final answer
    x = 55,169.57

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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.