Home / 119,975.92-165,567.64-66,259.44

Finding the Fourth Proportional to 119,975.92, 165,567.64 and 66,259.44

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Solution

The fourth proportional to 119,975.92, 165,567.64 and 66,259.44 is: 91,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,975.92 : 165,567.64 = 66,259.44 : x
  2. Step 2: Convert to fraction form
    119,975.92/165,567.64 = 66,259.44/x
  3. Step 3: Cross multiply
    119,975.92x = 165,567.64 × 66,259.44
  4. Step 4: Simplify right side
    119,975.92x = 10,970,419,108.52
  5. Step 5: Solve for x
    x = 10,970,419,108.52/119,975.92
  6. Step 6: Final answer
    x = 91,438.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.