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Finding the Fourth Proportional to 73,333.61, 109,982.79 and 33,852.80

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Solution

The fourth proportional to 73,333.61, 109,982.79 and 33,852.80 is: 50,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,333.61 : 109,982.79 = 33,852.80 : x
  2. Step 2: Convert to fraction form
    73,333.61/109,982.79 = 33,852.80/x
  3. Step 3: Cross multiply
    73,333.61x = 109,982.79 × 33,852.80
  4. Step 4: Simplify right side
    73,333.61x = 3,723,225,393.31
  5. Step 5: Solve for x
    x = 3,723,225,393.31/73,333.61
  6. Step 6: Final answer
    x = 50,771.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.