Home / 83,739.62-125,609.46-31,142.24

Finding the Fourth Proportional to 83,739.62, 125,609.46 and 31,142.24

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Solution

The fourth proportional to 83,739.62, 125,609.46 and 31,142.24 is: 46,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.62 : 125,609.46 = 31,142.24 : x
  2. Step 2: Convert to fraction form
    83,739.62/125,609.46 = 31,142.24/x
  3. Step 3: Cross multiply
    83,739.62x = 125,609.46 × 31,142.24
  4. Step 4: Simplify right side
    83,739.62x = 3,911,759,949.59
  5. Step 5: Solve for x
    x = 3,911,759,949.59/83,739.62
  6. Step 6: Final answer
    x = 46,713.37

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1.5x scale

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.