Home / 295,749.12-443,623.68-71,109.57

Finding the Fourth Proportional to 295,749.12, 443,623.68 and 71,109.57

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Solution

The fourth proportional to 295,749.12, 443,623.68 and 71,109.57 is: 106,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,749.12 : 443,623.68 = 71,109.57 : x
  2. Step 2: Convert to fraction form
    295,749.12/443,623.68 = 71,109.57/x
  3. Step 3: Cross multiply
    295,749.12x = 443,623.68 × 71,109.57
  4. Step 4: Simplify right side
    295,749.12x = 31,545,889,126.62
  5. Step 5: Solve for x
    x = 31,545,889,126.62/295,749.12
  6. Step 6: Final answer
    x = 106,664.36

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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.