Home / 99,490.50-149,141.97-49,523.37

Finding the Fourth Proportional to 99,490.50, 149,141.97 and 49,523.37

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Solution

The fourth proportional to 99,490.50, 149,141.97 and 49,523.37 is: 74,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,490.50 : 149,141.97 = 49,523.37 : x
  2. Step 2: Convert to fraction form
    99,490.50/149,141.97 = 49,523.37/x
  3. Step 3: Cross multiply
    99,490.50x = 149,141.97 × 49,523.37
  4. Step 4: Simplify right side
    99,490.50x = 7,386,012,962.84
  5. Step 5: Solve for x
    x = 7,386,012,962.84/99,490.50
  6. Step 6: Final answer
    x = 74,238.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.