Home / 123,610.64-170,575.44-69,906.92

Finding the Fourth Proportional to 123,610.64, 170,575.44 and 69,906.92

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Solution

The fourth proportional to 123,610.64, 170,575.44 and 69,906.92 is: 96,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610.64 : 170,575.44 = 69,906.92 : x
  2. Step 2: Convert to fraction form
    123,610.64/170,575.44 = 69,906.92/x
  3. Step 3: Cross multiply
    123,610.64x = 170,575.44 × 69,906.92
  4. Step 4: Simplify right side
    123,610.64x = 11,924,403,638.04
  5. Step 5: Solve for x
    x = 11,924,403,638.04/123,610.64
  6. Step 6: Final answer
    x = 96,467.45

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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.