Home / 124,759.14-172,171.86-68,174.16

Finding the Fourth Proportional to 124,759.14, 172,171.86 and 68,174.16

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Solution

The fourth proportional to 124,759.14, 172,171.86 and 68,174.16 is: 94,082.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.14 : 172,171.86 = 68,174.16 : x
  2. Step 2: Convert to fraction form
    124,759.14/172,171.86 = 68,174.16/x
  3. Step 3: Cross multiply
    124,759.14x = 172,171.86 × 68,174.16
  4. Step 4: Simplify right side
    124,759.14x = 11,737,671,931.14
  5. Step 5: Solve for x
    x = 11,737,671,931.14/124,759.14
  6. Step 6: Final answer
    x = 94,082.66

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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.