Home / 89,929.05-124,100.37-49,644.06

Finding the Fourth Proportional to 89,929.05, 124,100.37 and 49,644.06

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Solution

The fourth proportional to 89,929.05, 124,100.37 and 49,644.06 is: 68,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,929.05 : 124,100.37 = 49,644.06 : x
  2. Step 2: Convert to fraction form
    89,929.05/124,100.37 = 49,644.06/x
  3. Step 3: Cross multiply
    89,929.05x = 124,100.37 × 49,644.06
  4. Step 4: Simplify right side
    89,929.05x = 6,160,846,214.30
  5. Step 5: Solve for x
    x = 6,160,846,214.30/89,929.05
  6. Step 6: Final answer
    x = 68,507.85

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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.