Home / 49,109.09-67,770.56-27,891.59

Finding the Fourth Proportional to 49,109.09, 67,770.56 and 27,891.59

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Solution

The fourth proportional to 49,109.09, 67,770.56 and 27,891.59 is: 38,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.09 : 67,770.56 = 27,891.59 : x
  2. Step 2: Convert to fraction form
    49,109.09/67,770.56 = 27,891.59/x
  3. Step 3: Cross multiply
    49,109.09x = 67,770.56 × 27,891.59
  4. Step 4: Simplify right side
    49,109.09x = 1,890,228,534.13
  5. Step 5: Solve for x
    x = 1,890,228,534.13/49,109.09
  6. Step 6: Final answer
    x = 38,490.40

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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.