Home / 89,939.85-124,115.37-49,652.76

Finding the Fourth Proportional to 89,939.85, 124,115.37 and 49,652.76

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Solution

The fourth proportional to 89,939.85, 124,115.37 and 49,652.76 is: 68,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.85 : 124,115.37 = 49,652.76 : x
  2. Step 2: Convert to fraction form
    89,939.85/124,115.37 = 49,652.76/x
  3. Step 3: Cross multiply
    89,939.85x = 124,115.37 × 49,652.76
  4. Step 4: Simplify right side
    89,939.85x = 6,162,670,678.92
  5. Step 5: Solve for x
    x = 6,162,670,678.92/89,939.85
  6. Step 6: Final answer
    x = 68,519.91

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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.