Home / 76,188.40-114,356.46-36,773.20

Finding the Fourth Proportional to 76,188.40, 114,356.46 and 36,773.20

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Solution

The fourth proportional to 76,188.40, 114,356.46 and 36,773.20 is: 55,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,188.40 : 114,356.46 = 36,773.20 : x
  2. Step 2: Convert to fraction form
    76,188.40/114,356.46 = 36,773.20/x
  3. Step 3: Cross multiply
    76,188.40x = 114,356.46 × 36,773.20
  4. Step 4: Simplify right side
    76,188.40x = 4,205,252,974.87
  5. Step 5: Solve for x
    x = 4,205,252,974.87/76,188.40
  6. Step 6: Final answer
    x = 55,195.45

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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.