Home / 55,253.16-76,249.38-30,102.66

Finding the Fourth Proportional to 55,253.16, 76,249.38 and 30,102.66

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Solution

The fourth proportional to 55,253.16, 76,249.38 and 30,102.66 is: 41,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.16 : 76,249.38 = 30,102.66 : x
  2. Step 2: Convert to fraction form
    55,253.16/76,249.38 = 30,102.66/x
  3. Step 3: Cross multiply
    55,253.16x = 76,249.38 × 30,102.66
  4. Step 4: Simplify right side
    55,253.16x = 2,295,309,161.35
  5. Step 5: Solve for x
    x = 2,295,309,161.35/55,253.16
  6. Step 6: Final answer
    x = 41,541.68

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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.