Home / 89,212.02-123,112.44-51,486.27

Finding the Fourth Proportional to 89,212.02, 123,112.44 and 51,486.27

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Solution

The fourth proportional to 89,212.02, 123,112.44 and 51,486.27 is: 71,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,212.02 : 123,112.44 = 51,486.27 : x
  2. Step 2: Convert to fraction form
    89,212.02/123,112.44 = 51,486.27/x
  3. Step 3: Cross multiply
    89,212.02x = 123,112.44 × 51,486.27
  4. Step 4: Simplify right side
    89,212.02x = 6,338,600,326.20
  5. Step 5: Solve for x
    x = 6,338,600,326.20/89,212.02
  6. Step 6: Final answer
    x = 71,050.97

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1.5x scale

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.