Home / 52,761.73-72,811.62-31,252.66

Finding the Fourth Proportional to 52,761.73, 72,811.62 and 31,252.66

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Solution

The fourth proportional to 52,761.73, 72,811.62 and 31,252.66 is: 43,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,761.73 : 72,811.62 = 31,252.66 : x
  2. Step 2: Convert to fraction form
    52,761.73/72,811.62 = 31,252.66/x
  3. Step 3: Cross multiply
    52,761.73x = 72,811.62 × 31,252.66
  4. Step 4: Simplify right side
    52,761.73x = 2,275,556,803.91
  5. Step 5: Solve for x
    x = 2,275,556,803.91/52,761.73
  6. Step 6: Final answer
    x = 43,128.93

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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.