Home / 83,320.40-124,979.99-33,399.77

Finding the Fourth Proportional to 83,320.40, 124,979.99 and 33,399.77

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Solution

The fourth proportional to 83,320.40, 124,979.99 and 33,399.77 is: 50,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.40 : 124,979.99 = 33,399.77 : x
  2. Step 2: Convert to fraction form
    83,320.40/124,979.99 = 33,399.77/x
  3. Step 3: Cross multiply
    83,320.40x = 124,979.99 × 33,399.77
  4. Step 4: Simplify right side
    83,320.40x = 4,174,302,295.70
  5. Step 5: Solve for x
    x = 4,174,302,295.70/83,320.40
  6. Step 6: Final answer
    x = 50,099.41

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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.