Home / 89,752.36-123,859.08-49,467.58

Finding the Fourth Proportional to 89,752.36, 123,859.08 and 49,467.58

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Solution

The fourth proportional to 89,752.36, 123,859.08 and 49,467.58 is: 68,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,752.36 : 123,859.08 = 49,467.58 : x
  2. Step 2: Convert to fraction form
    89,752.36/123,859.08 = 49,467.58/x
  3. Step 3: Cross multiply
    89,752.36x = 123,859.08 × 49,467.58
  4. Step 4: Simplify right side
    89,752.36x = 6,127,008,948.63
  5. Step 5: Solve for x
    x = 6,127,008,948.63/89,752.36
  6. Step 6: Final answer
    x = 68,265.71

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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.