Home / 99,609.03-149,460.17-49,692.98

Finding the Fourth Proportional to 99,609.03, 149,460.17 and 49,692.98

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Solution

The fourth proportional to 99,609.03, 149,460.17 and 49,692.98 is: 74,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,609.03 : 149,460.17 = 49,692.98 : x
  2. Step 2: Convert to fraction form
    99,609.03/149,460.17 = 49,692.98/x
  3. Step 3: Cross multiply
    99,609.03x = 149,460.17 × 49,692.98
  4. Step 4: Simplify right side
    99,609.03x = 7,427,121,363.79
  5. Step 5: Solve for x
    x = 7,427,121,363.79/99,609.03
  6. Step 6: Final answer
    x = 74,562.73

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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.