Home / 40,164.66-60,259.14-13,872.06

Finding the Fourth Proportional to 40,164.66, 60,259.14 and 13,872.06

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Solution

The fourth proportional to 40,164.66, 60,259.14 and 13,872.06 is: 20,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,164.66 : 60,259.14 = 13,872.06 : x
  2. Step 2: Convert to fraction form
    40,164.66/60,259.14 = 13,872.06/x
  3. Step 3: Cross multiply
    40,164.66x = 60,259.14 × 13,872.06
  4. Step 4: Simplify right side
    40,164.66x = 835,918,405.63
  5. Step 5: Solve for x
    x = 835,918,405.63/40,164.66
  6. Step 6: Final answer
    x = 20,812.29

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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.