Home / 48,120.42-66,408.24-26,899.68

Finding the Fourth Proportional to 48,120.42, 66,408.24 and 26,899.68

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Solution

The fourth proportional to 48,120.42, 66,408.24 and 26,899.68 is: 37,122.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120.42 : 66,408.24 = 26,899.68 : x
  2. Step 2: Convert to fraction form
    48,120.42/66,408.24 = 26,899.68/x
  3. Step 3: Cross multiply
    48,120.42x = 66,408.24 × 26,899.68
  4. Step 4: Simplify right side
    48,120.42x = 1,786,360,405.36
  5. Step 5: Solve for x
    x = 1,786,360,405.36/48,120.42
  6. Step 6: Final answer
    x = 37,122.71

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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.