Home / 125,287.73-172,896.53-67,926.88

Finding the Fourth Proportional to 125,287.73, 172,896.53 and 67,926.88

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Solution

The fourth proportional to 125,287.73, 172,896.53 and 67,926.88 is: 93,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,287.73 : 172,896.53 = 67,926.88 : x
  2. Step 2: Convert to fraction form
    125,287.73/172,896.53 = 67,926.88/x
  3. Step 3: Cross multiply
    125,287.73x = 172,896.53 × 67,926.88
  4. Step 4: Simplify right side
    125,287.73x = 11,744,321,845.73
  5. Step 5: Solve for x
    x = 11,744,321,845.73/125,287.73
  6. Step 6: Final answer
    x = 93,738.80

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1.5x scale

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.