Home / 96,778.13-133,553.81-54,336.66

Finding the Fourth Proportional to 96,778.13, 133,553.81 and 54,336.66

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Solution

The fourth proportional to 96,778.13, 133,553.81 and 54,336.66 is: 74,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,778.13 : 133,553.81 = 54,336.66 : x
  2. Step 2: Convert to fraction form
    96,778.13/133,553.81 = 54,336.66/x
  3. Step 3: Cross multiply
    96,778.13x = 133,553.81 × 54,336.66
  4. Step 4: Simplify right side
    96,778.13x = 7,256,867,600.69
  5. Step 5: Solve for x
    x = 7,256,867,600.69/96,778.13
  6. Step 6: Final answer
    x = 74,984.59

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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.