Home / 60,712.28-90,593.54-54,408.05

Finding the Fourth Proportional to 60,712.28, 90,593.54 and 54,408.05

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Solution

The fourth proportional to 60,712.28, 90,593.54 and 54,408.05 is: 81,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,712.28 : 90,593.54 = 54,408.05 : x
  2. Step 2: Convert to fraction form
    60,712.28/90,593.54 = 54,408.05/x
  3. Step 3: Cross multiply
    60,712.28x = 90,593.54 × 54,408.05
  4. Step 4: Simplify right side
    60,712.28x = 4,929,017,537.05
  5. Step 5: Solve for x
    x = 4,929,017,537.05/60,712.28
  6. Step 6: Final answer
    x = 81,186.51

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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.