Home / 52,732.14-72,771.39-28,859.10

Finding the Fourth Proportional to 52,732.14, 72,771.39 and 28,859.10

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Solution

The fourth proportional to 52,732.14, 72,771.39 and 28,859.10 is: 39,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,732.14 : 72,771.39 = 28,859.10 : x
  2. Step 2: Convert to fraction form
    52,732.14/72,771.39 = 28,859.10/x
  3. Step 3: Cross multiply
    52,732.14x = 72,771.39 × 28,859.10
  4. Step 4: Simplify right side
    52,732.14x = 2,100,116,821.15
  5. Step 5: Solve for x
    x = 2,100,116,821.15/52,732.14
  6. Step 6: Final answer
    x = 39,826.13

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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.