Home / 105,877.70-158,557.35-50,408.90

Finding the Fourth Proportional to 105,877.70, 158,557.35 and 50,408.90

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Solution

The fourth proportional to 105,877.70, 158,557.35 and 50,408.90 is: 75,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,877.70 : 158,557.35 = 50,408.90 : x
  2. Step 2: Convert to fraction form
    105,877.70/158,557.35 = 50,408.90/x
  3. Step 3: Cross multiply
    105,877.70x = 158,557.35 × 50,408.90
  4. Step 4: Simplify right side
    105,877.70x = 7,992,701,600.42
  5. Step 5: Solve for x
    x = 7,992,701,600.42/105,877.70
  6. Step 6: Final answer
    x = 75,489.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.