Home / 52,696.24-72,713.64-31,471

Finding the Fourth Proportional to 52,696.24, 72,713.64 and 31,471

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Solution

The fourth proportional to 52,696.24, 72,713.64 and 31,471 is: 43,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,696.24 : 72,713.64 = 31,471 : x
  2. Step 2: Convert to fraction form
    52,696.24/72,713.64 = 31,471/x
  3. Step 3: Cross multiply
    52,696.24x = 72,713.64 × 31,471
  4. Step 4: Simplify right side
    52,696.24x = 2,288,370,964.44
  5. Step 5: Solve for x
    x = 2,288,370,964.44/52,696.24
  6. Step 6: Final answer
    x = 43,425.70

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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.