Home / 99,456.40-149,133.30-29,326.60

Finding the Fourth Proportional to 99,456.40, 149,133.30 and 29,326.60

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Solution

The fourth proportional to 99,456.40, 149,133.30 and 29,326.60 is: 43,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456.40 : 149,133.30 = 29,326.60 : x
  2. Step 2: Convert to fraction form
    99,456.40/149,133.30 = 29,326.60/x
  3. Step 3: Cross multiply
    99,456.40x = 149,133.30 × 29,326.60
  4. Step 4: Simplify right side
    99,456.40x = 4,373,572,635.78
  5. Step 5: Solve for x
    x = 4,373,572,635.78/99,456.40
  6. Step 6: Final answer
    x = 43,974.77

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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.