Home / 65,946.44-91,006.20-35,731.76

Finding the Fourth Proportional to 65,946.44, 91,006.20 and 35,731.76

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Solution

The fourth proportional to 65,946.44, 91,006.20 and 35,731.76 is: 49,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,946.44 : 91,006.20 = 35,731.76 : x
  2. Step 2: Convert to fraction form
    65,946.44/91,006.20 = 35,731.76/x
  3. Step 3: Cross multiply
    65,946.44x = 91,006.20 × 35,731.76
  4. Step 4: Simplify right side
    65,946.44x = 3,251,811,696.91
  5. Step 5: Solve for x
    x = 3,251,811,696.91/65,946.44
  6. Step 6: Final answer
    x = 49,309.89

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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.