Home / 79,939.81-119,914.91-26,629.52

Finding the Fourth Proportional to 79,939.81, 119,914.91 and 26,629.52

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Solution

The fourth proportional to 79,939.81, 119,914.91 and 26,629.52 is: 39,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,939.81 : 119,914.91 = 26,629.52 : x
  2. Step 2: Convert to fraction form
    79,939.81/119,914.91 = 26,629.52/x
  3. Step 3: Cross multiply
    79,939.81x = 119,914.91 × 26,629.52
  4. Step 4: Simplify right side
    79,939.81x = 3,193,276,361.00
  5. Step 5: Solve for x
    x = 3,193,276,361.00/79,939.81
  6. Step 6: Final answer
    x = 39,946.01

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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.