Home / 76,562.71-114,867.37-39,149.06

Finding the Fourth Proportional to 76,562.71, 114,867.37 and 39,149.06

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Solution

The fourth proportional to 76,562.71, 114,867.37 and 39,149.06 is: 58,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,562.71 : 114,867.37 = 39,149.06 : x
  2. Step 2: Convert to fraction form
    76,562.71/114,867.37 = 39,149.06/x
  3. Step 3: Cross multiply
    76,562.71x = 114,867.37 × 39,149.06
  4. Step 4: Simplify right side
    76,562.71x = 4,496,949,560.17
  5. Step 5: Solve for x
    x = 4,496,949,560.17/76,562.71
  6. Step 6: Final answer
    x = 58,735.51

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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.