Home / 45,351.95-62,519.76-31,697.60

Finding the Fourth Proportional to 45,351.95, 62,519.76 and 31,697.60

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Solution

The fourth proportional to 45,351.95, 62,519.76 and 31,697.60 is: 43,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.95 : 62,519.76 = 31,697.60 : x
  2. Step 2: Convert to fraction form
    45,351.95/62,519.76 = 31,697.60/x
  3. Step 3: Cross multiply
    45,351.95x = 62,519.76 × 31,697.60
  4. Step 4: Simplify right side
    45,351.95x = 1,981,726,031.98
  5. Step 5: Solve for x
    x = 1,981,726,031.98/45,351.95
  6. Step 6: Final answer
    x = 43,696.61

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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.