Home / 53,180.73-79,143.39-51,408.99

Finding the Fourth Proportional to 53,180.73, 79,143.39 and 51,408.99

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Solution

The fourth proportional to 53,180.73, 79,143.39 and 51,408.99 is: 76,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.73 : 79,143.39 = 51,408.99 : x
  2. Step 2: Convert to fraction form
    53,180.73/79,143.39 = 51,408.99/x
  3. Step 3: Cross multiply
    53,180.73x = 79,143.39 × 51,408.99
  4. Step 4: Simplify right side
    53,180.73x = 4,068,681,745.08
  5. Step 5: Solve for x
    x = 4,068,681,745.08/53,180.73
  6. Step 6: Final answer
    x = 76,506.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.