Home / 55,408.16-76,499.92-34,218.56

Finding the Fourth Proportional to 55,408.16, 76,499.92 and 34,218.56

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Solution

The fourth proportional to 55,408.16, 76,499.92 and 34,218.56 is: 47,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408.16 : 76,499.92 = 34,218.56 : x
  2. Step 2: Convert to fraction form
    55,408.16/76,499.92 = 34,218.56/x
  3. Step 3: Cross multiply
    55,408.16x = 76,499.92 × 34,218.56
  4. Step 4: Simplify right side
    55,408.16x = 2,617,717,102.52
  5. Step 5: Solve for x
    x = 2,617,717,102.52/55,408.16
  6. Step 6: Final answer
    x = 47,244.25

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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.