Home / 49,090.91-67,754.21-28,946.61

Finding the Fourth Proportional to 49,090.91, 67,754.21 and 28,946.61

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Solution

The fourth proportional to 49,090.91, 67,754.21 and 28,946.61 is: 39,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,090.91 : 67,754.21 = 28,946.61 : x
  2. Step 2: Convert to fraction form
    49,090.91/67,754.21 = 28,946.61/x
  3. Step 3: Cross multiply
    49,090.91x = 67,754.21 × 28,946.61
  4. Step 4: Simplify right side
    49,090.91x = 1,961,254,548.00
  5. Step 5: Solve for x
    x = 1,961,254,548.00/49,090.91
  6. Step 6: Final answer
    x = 39,951.48

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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.