Home / 52,667.18-79,027.50-30,500.72

Finding the Fourth Proportional to 52,667.18, 79,027.50 and 30,500.72

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Solution

The fourth proportional to 52,667.18, 79,027.50 and 30,500.72 is: 45,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,667.18 : 79,027.50 = 30,500.72 : x
  2. Step 2: Convert to fraction form
    52,667.18/79,027.50 = 30,500.72/x
  3. Step 3: Cross multiply
    52,667.18x = 79,027.50 × 30,500.72
  4. Step 4: Simplify right side
    52,667.18x = 2,410,395,649.80
  5. Step 5: Solve for x
    x = 2,410,395,649.80/52,667.18
  6. Step 6: Final answer
    x = 45,766.56

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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.