Home / 67,114.47-100,656.14-19,716.83

Finding the Fourth Proportional to 67,114.47, 100,656.14 and 19,716.83

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Solution

The fourth proportional to 67,114.47, 100,656.14 and 19,716.83 is: 29,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,114.47 : 100,656.14 = 19,716.83 : x
  2. Step 2: Convert to fraction form
    67,114.47/100,656.14 = 19,716.83/x
  3. Step 3: Cross multiply
    67,114.47x = 100,656.14 × 19,716.83
  4. Step 4: Simplify right side
    67,114.47x = 1,984,620,342.62
  5. Step 5: Solve for x
    x = 1,984,620,342.62/67,114.47
  6. Step 6: Final answer
    x = 29,570.68

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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.