Home / 123,241.37-170,073.09-66,652.74

Finding the Fourth Proportional to 123,241.37, 170,073.09 and 66,652.74

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Solution

The fourth proportional to 123,241.37, 170,073.09 and 66,652.74 is: 91,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,241.37 : 170,073.09 = 66,652.74 : x
  2. Step 2: Convert to fraction form
    123,241.37/170,073.09 = 66,652.74/x
  3. Step 3: Cross multiply
    123,241.37x = 170,073.09 × 66,652.74
  4. Step 4: Simplify right side
    123,241.37x = 11,335,837,115.50
  5. Step 5: Solve for x
    x = 11,335,837,115.50/123,241.37
  6. Step 6: Final answer
    x = 91,980.78

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1.5x scale

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.