Home / 74,938.75-103,423.04-41,404.75

Finding the Fourth Proportional to 74,938.75, 103,423.04 and 41,404.75

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Solution

The fourth proportional to 74,938.75, 103,423.04 and 41,404.75 is: 57,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.75 : 103,423.04 = 41,404.75 : x
  2. Step 2: Convert to fraction form
    74,938.75/103,423.04 = 41,404.75/x
  3. Step 3: Cross multiply
    74,938.75x = 103,423.04 × 41,404.75
  4. Step 4: Simplify right side
    74,938.75x = 4,282,205,115.44
  5. Step 5: Solve for x
    x = 4,282,205,115.44/74,938.75
  6. Step 6: Final answer
    x = 57,142.73

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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.