Home / 43,395.96-65,118.52-17,119.15

Finding the Fourth Proportional to 43,395.96, 65,118.52 and 17,119.15

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Solution

The fourth proportional to 43,395.96, 65,118.52 and 17,119.15 is: 25,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,395.96 : 65,118.52 = 17,119.15 : x
  2. Step 2: Convert to fraction form
    43,395.96/65,118.52 = 17,119.15/x
  3. Step 3: Cross multiply
    43,395.96x = 65,118.52 × 17,119.15
  4. Step 4: Simplify right side
    43,395.96x = 1,114,773,711.66
  5. Step 5: Solve for x
    x = 1,114,773,711.66/43,395.96
  6. Step 6: Final answer
    x = 25,688.42

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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.