Home / 67,205.26-100,792.86-19,810.24

Finding the Fourth Proportional to 67,205.26, 100,792.86 and 19,810.24

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Solution

The fourth proportional to 67,205.26, 100,792.86 and 19,810.24 is: 29,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,205.26 : 100,792.86 = 19,810.24 : x
  2. Step 2: Convert to fraction form
    67,205.26/100,792.86 = 19,810.24/x
  3. Step 3: Cross multiply
    67,205.26x = 100,792.86 × 19,810.24
  4. Step 4: Simplify right side
    67,205.26x = 1,996,730,420.62
  5. Step 5: Solve for x
    x = 1,996,730,420.62/67,205.26
  6. Step 6: Final answer
    x = 29,710.92

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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.