Home / 52,632.92-72,634.38-28,760.60

Finding the Fourth Proportional to 52,632.92, 72,634.38 and 28,760.60

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Solution

The fourth proportional to 52,632.92, 72,634.38 and 28,760.60 is: 39,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,632.92 : 72,634.38 = 28,760.60 : x
  2. Step 2: Convert to fraction form
    52,632.92/72,634.38 = 28,760.60/x
  3. Step 3: Cross multiply
    52,632.92x = 72,634.38 × 28,760.60
  4. Step 4: Simplify right side
    52,632.92x = 2,089,008,349.43
  5. Step 5: Solve for x
    x = 2,089,008,349.43/52,632.92
  6. Step 6: Final answer
    x = 39,690.15

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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.