Home / 71,922.41-99,206.61-47,722.85

Finding the Fourth Proportional to 71,922.41, 99,206.61 and 47,722.85

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Solution

The fourth proportional to 71,922.41, 99,206.61 and 47,722.85 is: 65,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.41 : 99,206.61 = 47,722.85 : x
  2. Step 2: Convert to fraction form
    71,922.41/99,206.61 = 47,722.85/x
  3. Step 3: Cross multiply
    71,922.41x = 99,206.61 × 47,722.85
  4. Step 4: Simplify right side
    71,922.41x = 4,734,422,168.04
  5. Step 5: Solve for x
    x = 4,734,422,168.04/71,922.41
  6. Step 6: Final answer
    x = 65,826.80

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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.