Home / 90,241.68-124,532.04-49,954.60

Finding the Fourth Proportional to 90,241.68, 124,532.04 and 49,954.60

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Solution

The fourth proportional to 90,241.68, 124,532.04 and 49,954.60 is: 68,936.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,241.68 : 124,532.04 = 49,954.60 : x
  2. Step 2: Convert to fraction form
    90,241.68/124,532.04 = 49,954.60/x
  3. Step 3: Cross multiply
    90,241.68x = 124,532.04 × 49,954.60
  4. Step 4: Simplify right side
    90,241.68x = 6,220,948,245.38
  5. Step 5: Solve for x
    x = 6,220,948,245.38/90,241.68
  6. Step 6: Final answer
    x = 68,936.53

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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.