Home / 44,140.80-66,240.35-20,769.06

Finding the Fourth Proportional to 44,140.80, 66,240.35 and 20,769.06

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Solution

The fourth proportional to 44,140.80, 66,240.35 and 20,769.06 is: 31,167.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,140.80 : 66,240.35 = 20,769.06 : x
  2. Step 2: Convert to fraction form
    44,140.80/66,240.35 = 20,769.06/x
  3. Step 3: Cross multiply
    44,140.80x = 66,240.35 × 20,769.06
  4. Step 4: Simplify right side
    44,140.80x = 1,375,749,803.57
  5. Step 5: Solve for x
    x = 1,375,749,803.57/44,140.80
  6. Step 6: Final answer
    x = 31,167.31

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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.