Home / 53,831.62-80,550.60-31,655.44

Finding the Fourth Proportional to 53,831.62, 80,550.60 and 31,655.44

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Solution

The fourth proportional to 53,831.62, 80,550.60 and 31,655.44 is: 47,367.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,831.62 : 80,550.60 = 31,655.44 : x
  2. Step 2: Convert to fraction form
    53,831.62/80,550.60 = 31,655.44/x
  3. Step 3: Cross multiply
    53,831.62x = 80,550.60 × 31,655.44
  4. Step 4: Simplify right side
    53,831.62x = 2,549,864,685.26
  5. Step 5: Solve for x
    x = 2,549,864,685.26/53,831.62
  6. Step 6: Final answer
    x = 47,367.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.