Home / 52,554.88-72,512.17-31,319.11

Finding the Fourth Proportional to 52,554.88, 72,512.17 and 31,319.11

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Solution

The fourth proportional to 52,554.88, 72,512.17 and 31,319.11 is: 43,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,554.88 : 72,512.17 = 31,319.11 : x
  2. Step 2: Convert to fraction form
    52,554.88/72,512.17 = 31,319.11/x
  3. Step 3: Cross multiply
    52,554.88x = 72,512.17 × 31,319.11
  4. Step 4: Simplify right side
    52,554.88x = 2,271,016,628.57
  5. Step 5: Solve for x
    x = 2,271,016,628.57/52,554.88
  6. Step 6: Final answer
    x = 43,212.29

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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.