Home / 76,629.80-114,901.34-29,828.84

Finding the Fourth Proportional to 76,629.80, 114,901.34 and 29,828.84

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Solution

The fourth proportional to 76,629.80, 114,901.34 and 29,828.84 is: 44,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,629.80 : 114,901.34 = 29,828.84 : x
  2. Step 2: Convert to fraction form
    76,629.80/114,901.34 = 29,828.84/x
  3. Step 3: Cross multiply
    76,629.80x = 114,901.34 × 29,828.84
  4. Step 4: Simplify right side
    76,629.80x = 3,427,373,686.65
  5. Step 5: Solve for x
    x = 3,427,373,686.65/76,629.80
  6. Step 6: Final answer
    x = 44,726.38

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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.