Home / 79,890.37-110,229.04-48,837.77

Finding the Fourth Proportional to 79,890.37, 110,229.04 and 48,837.77

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Solution

The fourth proportional to 79,890.37, 110,229.04 and 48,837.77 is: 67,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.37 : 110,229.04 = 48,837.77 : x
  2. Step 2: Convert to fraction form
    79,890.37/110,229.04 = 48,837.77/x
  3. Step 3: Cross multiply
    79,890.37x = 110,229.04 × 48,837.77
  4. Step 4: Simplify right side
    79,890.37x = 5,383,340,502.84
  5. Step 5: Solve for x
    x = 5,383,340,502.84/79,890.37
  6. Step 6: Final answer
    x = 67,384.10

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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.