Home / 119,049.40-178,573.92-48,879.28

Finding the Fourth Proportional to 119,049.40, 178,573.92 and 48,879.28

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Solution

The fourth proportional to 119,049.40, 178,573.92 and 48,879.28 is: 73,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,049.40 : 178,573.92 = 48,879.28 : x
  2. Step 2: Convert to fraction form
    119,049.40/178,573.92 = 48,879.28/x
  3. Step 3: Cross multiply
    119,049.40x = 178,573.92 × 48,879.28
  4. Step 4: Simplify right side
    119,049.40x = 8,728,564,636.38
  5. Step 5: Solve for x
    x = 8,728,564,636.38/119,049.40
  6. Step 6: Final answer
    x = 73,318.85

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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.