Home / 89,935.62-124,111.34-49,649.44

Finding the Fourth Proportional to 89,935.62, 124,111.34 and 49,649.44

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Solution

The fourth proportional to 89,935.62, 124,111.34 and 49,649.44 is: 68,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.62 : 124,111.34 = 49,649.44 : x
  2. Step 2: Convert to fraction form
    89,935.62/124,111.34 = 49,649.44/x
  3. Step 3: Cross multiply
    89,935.62x = 124,111.34 × 49,649.44
  4. Step 4: Simplify right side
    89,935.62x = 6,162,057,659.85
  5. Step 5: Solve for x
    x = 6,162,057,659.85/89,935.62
  6. Step 6: Final answer
    x = 68,516.32

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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.