Home / 49,101.98-67,761.20-27,881.69

Finding the Fourth Proportional to 49,101.98, 67,761.20 and 27,881.69

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Solution

The fourth proportional to 49,101.98, 67,761.20 and 27,881.69 is: 38,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,101.98 : 67,761.20 = 27,881.69 : x
  2. Step 2: Convert to fraction form
    49,101.98/67,761.20 = 27,881.69/x
  3. Step 3: Cross multiply
    49,101.98x = 67,761.20 × 27,881.69
  4. Step 4: Simplify right side
    49,101.98x = 1,889,296,633.02
  5. Step 5: Solve for x
    x = 1,889,296,633.02/49,101.98
  6. Step 6: Final answer
    x = 38,476.99

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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.