Home / 79,933.13-119,877.83-30,009.39

Finding the Fourth Proportional to 79,933.13, 119,877.83 and 30,009.39

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Solution

The fourth proportional to 79,933.13, 119,877.83 and 30,009.39 is: 45,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,933.13 : 119,877.83 = 30,009.39 : x
  2. Step 2: Convert to fraction form
    79,933.13/119,877.83 = 30,009.39/x
  3. Step 3: Cross multiply
    79,933.13x = 119,877.83 × 30,009.39
  4. Step 4: Simplify right side
    79,933.13x = 3,597,460,740.08
  5. Step 5: Solve for x
    x = 3,597,460,740.08/79,933.13
  6. Step 6: Final answer
    x = 45,005.88

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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.