Home / 76,562.64-114,548.40-76,365.72

Finding the Fourth Proportional to 76,562.64, 114,548.40 and 76,365.72

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Solution

The fourth proportional to 76,562.64, 114,548.40 and 76,365.72 is: 114,253.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,562.64 : 114,548.40 = 76,365.72 : x
  2. Step 2: Convert to fraction form
    76,562.64/114,548.40 = 76,365.72/x
  3. Step 3: Cross multiply
    76,562.64x = 114,548.40 × 76,365.72
  4. Step 4: Simplify right side
    76,562.64x = 8,747,571,040.85
  5. Step 5: Solve for x
    x = 8,747,571,040.85/76,562.64
  6. Step 6: Final answer
    x = 114,253.78

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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.