Home / 89,431.44-123,388.47-53,608.38

Finding the Fourth Proportional to 89,431.44, 123,388.47 and 53,608.38

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Solution

The fourth proportional to 89,431.44, 123,388.47 and 53,608.38 is: 73,963.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,431.44 : 123,388.47 = 53,608.38 : x
  2. Step 2: Convert to fraction form
    89,431.44/123,388.47 = 53,608.38/x
  3. Step 3: Cross multiply
    89,431.44x = 123,388.47 × 53,608.38
  4. Step 4: Simplify right side
    89,431.44x = 6,614,655,236.42
  5. Step 5: Solve for x
    x = 6,614,655,236.42/89,431.44
  6. Step 6: Final answer
    x = 73,963.43

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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.