Home / 99,596.76-149,372.35-28,518.04

Finding the Fourth Proportional to 99,596.76, 149,372.35 and 28,518.04

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Solution

The fourth proportional to 99,596.76, 149,372.35 and 28,518.04 is: 42,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,596.76 : 149,372.35 = 28,518.04 : x
  2. Step 2: Convert to fraction form
    99,596.76/149,372.35 = 28,518.04/x
  3. Step 3: Cross multiply
    99,596.76x = 149,372.35 × 28,518.04
  4. Step 4: Simplify right side
    99,596.76x = 4,259,806,652.19
  5. Step 5: Solve for x
    x = 4,259,806,652.19/99,596.76
  6. Step 6: Final answer
    x = 42,770.53

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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.