Home / 96,781.10-133,553.39-53,763.38

Finding the Fourth Proportional to 96,781.10, 133,553.39 and 53,763.38

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Solution

The fourth proportional to 96,781.10, 133,553.39 and 53,763.38 is: 74,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,781.10 : 133,553.39 = 53,763.38 : x
  2. Step 2: Convert to fraction form
    96,781.10/133,553.39 = 53,763.38/x
  3. Step 3: Cross multiply
    96,781.10x = 133,553.39 × 53,763.38
  4. Step 4: Simplify right side
    96,781.10x = 7,180,280,720.27
  5. Step 5: Solve for x
    x = 7,180,280,720.27/96,781.10
  6. Step 6: Final answer
    x = 74,190.94

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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.