Home / 44,109.80-66,127.51-19,131.04

Finding the Fourth Proportional to 44,109.80, 66,127.51 and 19,131.04

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Solution

The fourth proportional to 44,109.80, 66,127.51 and 19,131.04 is: 28,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.80 : 66,127.51 = 19,131.04 : x
  2. Step 2: Convert to fraction form
    44,109.80/66,127.51 = 19,131.04/x
  3. Step 3: Cross multiply
    44,109.80x = 66,127.51 × 19,131.04
  4. Step 4: Simplify right side
    44,109.80x = 1,265,088,145.48
  5. Step 5: Solve for x
    x = 1,265,088,145.48/44,109.80
  6. Step 6: Final answer
    x = 28,680.43

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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.