Home / 44,119.13-66,141.45-19,140.35

Finding the Fourth Proportional to 44,119.13, 66,141.45 and 19,140.35

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Solution

The fourth proportional to 44,119.13, 66,141.45 and 19,140.35 is: 28,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,119.13 : 66,141.45 = 19,140.35 : x
  2. Step 2: Convert to fraction form
    44,119.13/66,141.45 = 19,140.35/x
  3. Step 3: Cross multiply
    44,119.13x = 66,141.45 × 19,140.35
  4. Step 4: Simplify right side
    44,119.13x = 1,265,970,171.80
  5. Step 5: Solve for x
    x = 1,265,970,171.80/44,119.13
  6. Step 6: Final answer
    x = 28,694.36

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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.