Home / 99,428.20-149,142.60-24,548.35

Finding the Fourth Proportional to 99,428.20, 149,142.60 and 24,548.35

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Solution

The fourth proportional to 99,428.20, 149,142.60 and 24,548.35 is: 36,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,428.20 : 149,142.60 = 24,548.35 : x
  2. Step 2: Convert to fraction form
    99,428.20/149,142.60 = 24,548.35/x
  3. Step 3: Cross multiply
    99,428.20x = 149,142.60 × 24,548.35
  4. Step 4: Simplify right side
    99,428.20x = 3,661,203,876.26
  5. Step 5: Solve for x
    x = 3,661,203,876.26/99,428.20
  6. Step 6: Final answer
    x = 36,822.59

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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.