Home / 72,021.50-108,172.30-58,704.27

Finding the Fourth Proportional to 72,021.50, 108,172.30 and 58,704.27

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Solution

The fourth proportional to 72,021.50, 108,172.30 and 58,704.27 is: 88,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021.50 : 108,172.30 = 58,704.27 : x
  2. Step 2: Convert to fraction form
    72,021.50/108,172.30 = 58,704.27/x
  3. Step 3: Cross multiply
    72,021.50x = 108,172.30 × 58,704.27
  4. Step 4: Simplify right side
    72,021.50x = 6,350,175,905.72
  5. Step 5: Solve for x
    x = 6,350,175,905.72/72,021.50
  6. Step 6: Final answer
    x = 88,170.56

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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.