Home / 49,771.73-68,683.79-28,549.59

Finding the Fourth Proportional to 49,771.73, 68,683.79 and 28,549.59

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Solution

The fourth proportional to 49,771.73, 68,683.79 and 28,549.59 is: 39,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,771.73 : 68,683.79 = 28,549.59 : x
  2. Step 2: Convert to fraction form
    49,771.73/68,683.79 = 28,549.59/x
  3. Step 3: Cross multiply
    49,771.73x = 68,683.79 × 28,549.59
  4. Step 4: Simplify right side
    49,771.73x = 1,960,893,901.40
  5. Step 5: Solve for x
    x = 1,960,893,901.40/49,771.73
  6. Step 6: Final answer
    x = 39,397.75

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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.