Home / 96,939.68-133,783.80-59,221.04

Finding the Fourth Proportional to 96,939.68, 133,783.80 and 59,221.04

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Solution

The fourth proportional to 96,939.68, 133,783.80 and 59,221.04 is: 81,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939.68 : 133,783.80 = 59,221.04 : x
  2. Step 2: Convert to fraction form
    96,939.68/133,783.80 = 59,221.04/x
  3. Step 3: Cross multiply
    96,939.68x = 133,783.80 × 59,221.04
  4. Step 4: Simplify right side
    96,939.68x = 7,922,815,771.15
  5. Step 5: Solve for x
    x = 7,922,815,771.15/96,939.68
  6. Step 6: Final answer
    x = 81,729.34

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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.