Home / 89,057.02-122,910.06-51,331.54

Finding the Fourth Proportional to 89,057.02, 122,910.06 and 51,331.54

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Solution

The fourth proportional to 89,057.02, 122,910.06 and 51,331.54 is: 70,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,057.02 : 122,910.06 = 51,331.54 : x
  2. Step 2: Convert to fraction form
    89,057.02/122,910.06 = 51,331.54/x
  3. Step 3: Cross multiply
    89,057.02x = 122,910.06 × 51,331.54
  4. Step 4: Simplify right side
    89,057.02x = 6,309,162,661.29
  5. Step 5: Solve for x
    x = 6,309,162,661.29/89,057.02
  6. Step 6: Final answer
    x = 70,844.08

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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.