Home / 52,831.27-72,906.01-28,957.43

Finding the Fourth Proportional to 52,831.27, 72,906.01 and 28,957.43

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Solution

The fourth proportional to 52,831.27, 72,906.01 and 28,957.43 is: 39,960.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.27 : 72,906.01 = 28,957.43 : x
  2. Step 2: Convert to fraction form
    52,831.27/72,906.01 = 28,957.43/x
  3. Step 3: Cross multiply
    52,831.27x = 72,906.01 × 28,957.43
  4. Step 4: Simplify right side
    52,831.27x = 2,111,170,791.03
  5. Step 5: Solve for x
    x = 2,111,170,791.03/52,831.27
  6. Step 6: Final answer
    x = 39,960.63

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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.