Home / 55,129.87-76,079.13-33,619.57

Finding the Fourth Proportional to 55,129.87, 76,079.13 and 33,619.57

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Solution

The fourth proportional to 55,129.87, 76,079.13 and 33,619.57 is: 46,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129.87 : 76,079.13 = 33,619.57 : x
  2. Step 2: Convert to fraction form
    55,129.87/76,079.13 = 33,619.57/x
  3. Step 3: Cross multiply
    55,129.87x = 76,079.13 × 33,619.57
  4. Step 4: Simplify right side
    55,129.87x = 2,557,747,636.57
  5. Step 5: Solve for x
    x = 2,557,747,636.57/55,129.87
  6. Step 6: Final answer
    x = 46,394.95

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1.5x scale

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.