Home / 123,361.24-170,237.08-69,648.52

Finding the Fourth Proportional to 123,361.24, 170,237.08 and 69,648.52

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Solution

The fourth proportional to 123,361.24, 170,237.08 and 69,648.52 is: 96,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,361.24 : 170,237.08 = 69,648.52 : x
  2. Step 2: Convert to fraction form
    123,361.24/170,237.08 = 69,648.52/x
  3. Step 3: Cross multiply
    123,361.24x = 170,237.08 × 69,648.52
  4. Step 4: Simplify right side
    123,361.24x = 11,856,760,671.12
  5. Step 5: Solve for x
    x = 11,856,760,671.12/123,361.24
  6. Step 6: Final answer
    x = 96,114.15

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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.