Home / 89,865.88-124,014.06-49,579.94

Finding the Fourth Proportional to 89,865.88, 124,014.06 and 49,579.94

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Solution

The fourth proportional to 89,865.88, 124,014.06 and 49,579.94 is: 68,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,865.88 : 124,014.06 = 49,579.94 : x
  2. Step 2: Convert to fraction form
    89,865.88/124,014.06 = 49,579.94/x
  3. Step 3: Cross multiply
    89,865.88x = 124,014.06 × 49,579.94
  4. Step 4: Simplify right side
    89,865.88x = 6,148,609,963.99
  5. Step 5: Solve for x
    x = 6,148,609,963.99/89,865.88
  6. Step 6: Final answer
    x = 68,419.85

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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.