Home / 83,823.64-125,729.70-31,208.92

Finding the Fourth Proportional to 83,823.64, 125,729.70 and 31,208.92

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Solution

The fourth proportional to 83,823.64, 125,729.70 and 31,208.92 is: 46,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,823.64 : 125,729.70 = 31,208.92 : x
  2. Step 2: Convert to fraction form
    83,823.64/125,729.70 = 31,208.92/x
  3. Step 3: Cross multiply
    83,823.64x = 125,729.70 × 31,208.92
  4. Step 4: Simplify right side
    83,823.64x = 3,923,888,148.92
  5. Step 5: Solve for x
    x = 3,923,888,148.92/83,823.64
  6. Step 6: Final answer
    x = 46,811.24

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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.