Home / 79,869.89-119,759.87-26,533.31

Finding the Fourth Proportional to 79,869.89, 119,759.87 and 26,533.31

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Solution

The fourth proportional to 79,869.89, 119,759.87 and 26,533.31 is: 39,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,869.89 : 119,759.87 = 26,533.31 : x
  2. Step 2: Convert to fraction form
    79,869.89/119,759.87 = 26,533.31/x
  3. Step 3: Cross multiply
    79,869.89x = 119,759.87 × 26,533.31
  4. Step 4: Simplify right side
    79,869.89x = 3,177,625,756.27
  5. Step 5: Solve for x
    x = 3,177,625,756.27/79,869.89
  6. Step 6: Final answer
    x = 39,785.03

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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.