Home / 49,117.23-67,778.55-28,969.52

Finding the Fourth Proportional to 49,117.23, 67,778.55 and 28,969.52

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Solution

The fourth proportional to 49,117.23, 67,778.55 and 28,969.52 is: 39,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,117.23 : 67,778.55 = 28,969.52 : x
  2. Step 2: Convert to fraction form
    49,117.23/67,778.55 = 28,969.52/x
  3. Step 3: Cross multiply
    49,117.23x = 67,778.55 × 28,969.52
  4. Step 4: Simplify right side
    49,117.23x = 1,963,511,720.90
  5. Step 5: Solve for x
    x = 1,963,511,720.90/49,117.23
  6. Step 6: Final answer
    x = 39,976.03

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1.5x scale

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.