Home / 76,939.31-106,179-44,671.52

Finding the Fourth Proportional to 76,939.31, 106,179 and 44,671.52

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Solution

The fourth proportional to 76,939.31, 106,179 and 44,671.52 is: 61,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,939.31 : 106,179 = 44,671.52 : x
  2. Step 2: Convert to fraction form
    76,939.31/106,179 = 44,671.52/x
  3. Step 3: Cross multiply
    76,939.31x = 106,179 × 44,671.52
  4. Step 4: Simplify right side
    76,939.31x = 4,743,177,322.08
  5. Step 5: Solve for x
    x = 4,743,177,322.08/76,939.31
  6. Step 6: Final answer
    x = 61,648.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.