Home / 105,144.27-157,736.95-38,584.88

Finding the Fourth Proportional to 105,144.27, 157,736.95 and 38,584.88

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Solution

The fourth proportional to 105,144.27, 157,736.95 and 38,584.88 is: 57,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,144.27 : 157,736.95 = 38,584.88 : x
  2. Step 2: Convert to fraction form
    105,144.27/157,736.95 = 38,584.88/x
  3. Step 3: Cross multiply
    105,144.27x = 157,736.95 × 38,584.88
  4. Step 4: Simplify right side
    105,144.27x = 6,086,261,287.32
  5. Step 5: Solve for x
    x = 6,086,261,287.32/105,144.27
  6. Step 6: Final answer
    x = 57,884.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.