Home / 89,818.07-123,953.09-49,532.31

Finding the Fourth Proportional to 89,818.07, 123,953.09 and 49,532.31

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Solution

The fourth proportional to 89,818.07, 123,953.09 and 49,532.31 is: 68,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.07 : 123,953.09 = 49,532.31 : x
  2. Step 2: Convert to fraction form
    89,818.07/123,953.09 = 49,532.31/x
  3. Step 3: Cross multiply
    89,818.07x = 123,953.09 × 49,532.31
  4. Step 4: Simplify right side
    89,818.07x = 6,139,682,631.68
  5. Step 5: Solve for x
    x = 6,139,682,631.68/89,818.07
  6. Step 6: Final answer
    x = 68,356.88

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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.