Home / 49,683.97-68,561.80-28,465.21

Finding the Fourth Proportional to 49,683.97, 68,561.80 and 28,465.21

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Solution

The fourth proportional to 49,683.97, 68,561.80 and 28,465.21 is: 39,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,683.97 : 68,561.80 = 28,465.21 : x
  2. Step 2: Convert to fraction form
    49,683.97/68,561.80 = 28,465.21/x
  3. Step 3: Cross multiply
    49,683.97x = 68,561.80 × 28,465.21
  4. Step 4: Simplify right side
    49,683.97x = 1,951,626,034.98
  5. Step 5: Solve for x
    x = 1,951,626,034.98/49,683.97
  6. Step 6: Final answer
    x = 39,280.80

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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.