Home / 76,239.88-105,209.58-47,993.56

Finding the Fourth Proportional to 76,239.88, 105,209.58 and 47,993.56

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Solution

The fourth proportional to 76,239.88, 105,209.58 and 47,993.56 is: 66,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.88 : 105,209.58 = 47,993.56 : x
  2. Step 2: Convert to fraction form
    76,239.88/105,209.58 = 47,993.56/x
  3. Step 3: Cross multiply
    76,239.88x = 105,209.58 × 47,993.56
  4. Step 4: Simplify right side
    76,239.88x = 5,049,382,290.30
  5. Step 5: Solve for x
    x = 5,049,382,290.30/76,239.88
  6. Step 6: Final answer
    x = 66,230.20

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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.