Home / 44,111.45-66,129.98-19,132.69

Finding the Fourth Proportional to 44,111.45, 66,129.98 and 19,132.69

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Solution

The fourth proportional to 44,111.45, 66,129.98 and 19,132.69 is: 28,682.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,111.45 : 66,129.98 = 19,132.69 : x
  2. Step 2: Convert to fraction form
    44,111.45/66,129.98 = 19,132.69/x
  3. Step 3: Cross multiply
    44,111.45x = 66,129.98 × 19,132.69
  4. Step 4: Simplify right side
    44,111.45x = 1,265,244,289.55
  5. Step 5: Solve for x
    x = 1,265,244,289.55/44,111.45
  6. Step 6: Final answer
    x = 28,682.90

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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.