Home / 89,959.24-124,126.72-49,671.87

Finding the Fourth Proportional to 89,959.24, 124,126.72 and 49,671.87

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Solution

The fourth proportional to 89,959.24, 124,126.72 and 49,671.87 is: 68,537.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.24 : 124,126.72 = 49,671.87 : x
  2. Step 2: Convert to fraction form
    89,959.24/124,126.72 = 49,671.87/x
  3. Step 3: Cross multiply
    89,959.24x = 124,126.72 × 49,671.87
  4. Step 4: Simplify right side
    89,959.24x = 6,165,606,299.37
  5. Step 5: Solve for x
    x = 6,165,606,299.37/89,959.24
  6. Step 6: Final answer
    x = 68,537.78

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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.