Home / 123,241.50-170,073.26-66,652.87

Finding the Fourth Proportional to 123,241.50, 170,073.26 and 66,652.87

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Solution

The fourth proportional to 123,241.50, 170,073.26 and 66,652.87 is: 91,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,241.50 : 170,073.26 = 66,652.87 : x
  2. Step 2: Convert to fraction form
    123,241.50/170,073.26 = 66,652.87/x
  3. Step 3: Cross multiply
    123,241.50x = 170,073.26 × 66,652.87
  4. Step 4: Simplify right side
    123,241.50x = 11,335,870,889.26
  5. Step 5: Solve for x
    x = 11,335,870,889.26/123,241.50
  6. Step 6: Final answer
    x = 91,980.96

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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.