Home / 71,704.02-98,951.63-39,872.23

Finding the Fourth Proportional to 71,704.02, 98,951.63 and 39,872.23

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Solution

The fourth proportional to 71,704.02, 98,951.63 and 39,872.23 is: 55,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,704.02 : 98,951.63 = 39,872.23 : x
  2. Step 2: Convert to fraction form
    71,704.02/98,951.63 = 39,872.23/x
  3. Step 3: Cross multiply
    71,704.02x = 98,951.63 × 39,872.23
  4. Step 4: Simplify right side
    71,704.02x = 3,945,422,150.23
  5. Step 5: Solve for x
    x = 3,945,422,150.23/71,704.02
  6. Step 6: Final answer
    x = 55,023.72

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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.