Home / 99,843.04-149,764.48-25,971.04

Finding the Fourth Proportional to 99,843.04, 149,764.48 and 25,971.04

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Solution

The fourth proportional to 99,843.04, 149,764.48 and 25,971.04 is: 38,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,843.04 : 149,764.48 = 25,971.04 : x
  2. Step 2: Convert to fraction form
    99,843.04/149,764.48 = 25,971.04/x
  3. Step 3: Cross multiply
    99,843.04x = 149,764.48 × 25,971.04
  4. Step 4: Simplify right side
    99,843.04x = 3,889,539,300.66
  5. Step 5: Solve for x
    x = 3,889,539,300.66/99,843.04
  6. Step 6: Final answer
    x = 38,956.54

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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.