Home / 96,711.92-133,468.49-55,877.79

Finding the Fourth Proportional to 96,711.92, 133,468.49 and 55,877.79

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Solution

The fourth proportional to 96,711.92, 133,468.49 and 55,877.79 is: 77,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,711.92 : 133,468.49 = 55,877.79 : x
  2. Step 2: Convert to fraction form
    96,711.92/133,468.49 = 55,877.79/x
  3. Step 3: Cross multiply
    96,711.92x = 133,468.49 × 55,877.79
  4. Step 4: Simplify right side
    96,711.92x = 7,457,923,976.45
  5. Step 5: Solve for x
    x = 7,457,923,976.45/96,711.92
  6. Step 6: Final answer
    x = 77,114.84

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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.