Home / 123,512.66-170,445.21-69,796.52

Finding the Fourth Proportional to 123,512.66, 170,445.21 and 69,796.52

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Solution

The fourth proportional to 123,512.66, 170,445.21 and 69,796.52 is: 96,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,512.66 : 170,445.21 = 69,796.52 : x
  2. Step 2: Convert to fraction form
    123,512.66/170,445.21 = 69,796.52/x
  3. Step 3: Cross multiply
    123,512.66x = 170,445.21 × 69,796.52
  4. Step 4: Simplify right side
    123,512.66x = 11,896,482,508.67
  5. Step 5: Solve for x
    x = 11,896,482,508.67/123,512.66
  6. Step 6: Final answer
    x = 96,317.92

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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.