Home / 124,761.67-172,171.54-68,173.04

Finding the Fourth Proportional to 124,761.67, 172,171.54 and 68,173.04

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Solution

The fourth proportional to 124,761.67, 172,171.54 and 68,173.04 is: 94,079.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.67 : 172,171.54 = 68,173.04 : x
  2. Step 2: Convert to fraction form
    124,761.67/172,171.54 = 68,173.04/x
  3. Step 3: Cross multiply
    124,761.67x = 172,171.54 × 68,173.04
  4. Step 4: Simplify right side
    124,761.67x = 11,737,457,798.93
  5. Step 5: Solve for x
    x = 11,737,457,798.93/124,761.67
  6. Step 6: Final answer
    x = 94,079.04

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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.