Home / 125,215.62-172,795.68-67,853.58

Finding the Fourth Proportional to 125,215.62, 172,795.68 and 67,853.58

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Solution

The fourth proportional to 125,215.62, 172,795.68 and 67,853.58 is: 93,636.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.62 : 172,795.68 = 67,853.58 : x
  2. Step 2: Convert to fraction form
    125,215.62/172,795.68 = 67,853.58/x
  3. Step 3: Cross multiply
    125,215.62x = 172,795.68 × 67,853.58
  4. Step 4: Simplify right side
    125,215.62x = 11,724,805,496.53
  5. Step 5: Solve for x
    x = 11,724,805,496.53/125,215.62
  6. Step 6: Final answer
    x = 93,636.92

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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.