Home / 76,412.20-114,650.70-48,353.80

Finding the Fourth Proportional to 76,412.20, 114,650.70 and 48,353.80

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Solution

The fourth proportional to 76,412.20, 114,650.70 and 48,353.80 is: 72,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,412.20 : 114,650.70 = 48,353.80 : x
  2. Step 2: Convert to fraction form
    76,412.20/114,650.70 = 48,353.80/x
  3. Step 3: Cross multiply
    76,412.20x = 114,650.70 × 48,353.80
  4. Step 4: Simplify right side
    76,412.20x = 5,543,797,017.66
  5. Step 5: Solve for x
    x = 5,543,797,017.66/76,412.20
  6. Step 6: Final answer
    x = 72,551.20

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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.