Home / 55,277-76,282.28-30,126.52

Finding the Fourth Proportional to 55,277, 76,282.28 and 30,126.52

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Solution

The fourth proportional to 55,277, 76,282.28 and 30,126.52 is: 41,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277 : 76,282.28 = 30,126.52 : x
  2. Step 2: Convert to fraction form
    55,277/76,282.28 = 30,126.52/x
  3. Step 3: Cross multiply
    55,277x = 76,282.28 × 30,126.52
  4. Step 4: Simplify right side
    55,277x = 2,298,119,634.07
  5. Step 5: Solve for x
    x = 2,298,119,634.07/55,277
  6. Step 6: Final answer
    x = 41,574.61

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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.