Home / 83,161.20-114,762.58-47,351.24

Finding the Fourth Proportional to 83,161.20, 114,762.58 and 47,351.24

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Solution

The fourth proportional to 83,161.20, 114,762.58 and 47,351.24 is: 65,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161.20 : 114,762.58 = 47,351.24 : x
  2. Step 2: Convert to fraction form
    83,161.20/114,762.58 = 47,351.24/x
  3. Step 3: Cross multiply
    83,161.20x = 114,762.58 × 47,351.24
  4. Step 4: Simplify right side
    83,161.20x = 5,434,150,468.60
  5. Step 5: Solve for x
    x = 5,434,150,468.60/83,161.20
  6. Step 6: Final answer
    x = 65,344.78

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1.5x scale

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.