Home / 49,672.11-68,572.89-38,316.09

Finding the Fourth Proportional to 49,672.11, 68,572.89 and 38,316.09

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Solution

The fourth proportional to 49,672.11, 68,572.89 and 38,316.09 is: 52,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.11 : 68,572.89 = 38,316.09 : x
  2. Step 2: Convert to fraction form
    49,672.11/68,572.89 = 38,316.09/x
  3. Step 3: Cross multiply
    49,672.11x = 68,572.89 × 38,316.09
  4. Step 4: Simplify right side
    49,672.11x = 2,627,445,024.80
  5. Step 5: Solve for x
    x = 2,627,445,024.80/49,672.11
  6. Step 6: Final answer
    x = 52,895.78

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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.