Home / 72,704.14-100,330.73-40,873.03

Finding the Fourth Proportional to 72,704.14, 100,330.73 and 40,873.03

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Solution

The fourth proportional to 72,704.14, 100,330.73 and 40,873.03 is: 56,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,704.14 : 100,330.73 = 40,873.03 : x
  2. Step 2: Convert to fraction form
    72,704.14/100,330.73 = 40,873.03/x
  3. Step 3: Cross multiply
    72,704.14x = 100,330.73 × 40,873.03
  4. Step 4: Simplify right side
    72,704.14x = 4,100,820,937.21
  5. Step 5: Solve for x
    x = 4,100,820,937.21/72,704.14
  6. Step 6: Final answer
    x = 56,404.23

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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.