Home / 52,635.48-72,634.32-28,757.76

Finding the Fourth Proportional to 52,635.48, 72,634.32 and 28,757.76

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Solution

The fourth proportional to 52,635.48, 72,634.32 and 28,757.76 is: 39,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.48 : 72,634.32 = 28,757.76 : x
  2. Step 2: Convert to fraction form
    52,635.48/72,634.32 = 28,757.76/x
  3. Step 3: Cross multiply
    52,635.48x = 72,634.32 × 28,757.76
  4. Step 4: Simplify right side
    52,635.48x = 2,088,800,342.32
  5. Step 5: Solve for x
    x = 2,088,800,342.32/52,635.48
  6. Step 6: Final answer
    x = 39,684.27

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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.