Home / 55,253.19-76,249.35-30,102.69

Finding the Fourth Proportional to 55,253.19, 76,249.35 and 30,102.69

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Solution

The fourth proportional to 55,253.19, 76,249.35 and 30,102.69 is: 41,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,253.19 : 76,249.35 = 30,102.69 : x
  2. Step 2: Convert to fraction form
    55,253.19/76,249.35 = 30,102.69/x
  3. Step 3: Cross multiply
    55,253.19x = 76,249.35 × 30,102.69
  4. Step 4: Simplify right side
    55,253.19x = 2,295,310,545.75
  5. Step 5: Solve for x
    x = 2,295,310,545.75/55,253.19
  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.