Home / 99,963.56-149,871.26-60,511.34

Finding the Fourth Proportional to 99,963.56, 149,871.26 and 60,511.34

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Solution

The fourth proportional to 99,963.56, 149,871.26 and 60,511.34 is: 90,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,963.56 : 149,871.26 = 60,511.34 : x
  2. Step 2: Convert to fraction form
    99,963.56/149,871.26 = 60,511.34/x
  3. Step 3: Cross multiply
    99,963.56x = 149,871.26 × 60,511.34
  4. Step 4: Simplify right side
    99,963.56x = 9,068,910,770.09
  5. Step 5: Solve for x
    x = 9,068,910,770.09/99,963.56
  6. Step 6: Final answer
    x = 90,722.17

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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.