Home / 92,673.48-138,960.25-50,001.78

Finding the Fourth Proportional to 92,673.48, 138,960.25 and 50,001.78

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Solution

The fourth proportional to 92,673.48, 138,960.25 and 50,001.78 is: 74,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.48 : 138,960.25 = 50,001.78 : x
  2. Step 2: Convert to fraction form
    92,673.48/138,960.25 = 50,001.78/x
  3. Step 3: Cross multiply
    92,673.48x = 138,960.25 × 50,001.78
  4. Step 4: Simplify right side
    92,673.48x = 6,948,259,849.25
  5. Step 5: Solve for x
    x = 6,948,259,849.25/92,673.48
  6. Step 6: Final answer
    x = 74,975.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.