Home / 67,113.02-100,667.21-17,193.53

Finding the Fourth Proportional to 67,113.02, 100,667.21 and 17,193.53

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Solution

The fourth proportional to 67,113.02, 100,667.21 and 17,193.53 is: 25,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,113.02 : 100,667.21 = 17,193.53 : x
  2. Step 2: Convert to fraction form
    67,113.02/100,667.21 = 17,193.53/x
  3. Step 3: Cross multiply
    67,113.02x = 100,667.21 × 17,193.53
  4. Step 4: Simplify right side
    67,113.02x = 1,730,824,860.85
  5. Step 5: Solve for x
    x = 1,730,824,860.85/67,113.02
  6. Step 6: Final answer
    x = 25,789.70

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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.