Home / 55,126.52-76,074.21-29,976.02

Finding the Fourth Proportional to 55,126.52, 76,074.21 and 29,976.02

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Solution

The fourth proportional to 55,126.52, 76,074.21 and 29,976.02 is: 41,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126.52 : 76,074.21 = 29,976.02 : x
  2. Step 2: Convert to fraction form
    55,126.52/76,074.21 = 29,976.02/x
  3. Step 3: Cross multiply
    55,126.52x = 76,074.21 × 29,976.02
  4. Step 4: Simplify right side
    55,126.52x = 2,280,401,660.07
  5. Step 5: Solve for x
    x = 2,280,401,660.07/55,126.52
  6. Step 6: Final answer
    x = 41,366.69

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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.