Home / 99,548.40-149,322.60-29,428.40

Finding the Fourth Proportional to 99,548.40, 149,322.60 and 29,428.40

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Solution

The fourth proportional to 99,548.40, 149,322.60 and 29,428.40 is: 44,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,548.40 : 149,322.60 = 29,428.40 : x
  2. Step 2: Convert to fraction form
    99,548.40/149,322.60 = 29,428.40/x
  3. Step 3: Cross multiply
    99,548.40x = 149,322.60 × 29,428.40
  4. Step 4: Simplify right side
    99,548.40x = 4,394,325,201.84
  5. Step 5: Solve for x
    x = 4,394,325,201.84/99,548.40
  6. Step 6: Final answer
    x = 44,142.60

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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.