Home / 76,494.20-114,773.70-48,435.80

Finding the Fourth Proportional to 76,494.20, 114,773.70 and 48,435.80

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Solution

The fourth proportional to 76,494.20, 114,773.70 and 48,435.80 is: 72,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.20 : 114,773.70 = 48,435.80 : x
  2. Step 2: Convert to fraction form
    76,494.20/114,773.70 = 48,435.80/x
  3. Step 3: Cross multiply
    76,494.20x = 114,773.70 × 48,435.80
  4. Step 4: Simplify right side
    76,494.20x = 5,559,155,978.46
  5. Step 5: Solve for x
    x = 5,559,155,978.46/76,494.20
  6. Step 6: Final answer
    x = 72,674.22

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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.