Home / 109,815.80-164,723.70-26,709.80

Finding the Fourth Proportional to 109,815.80, 164,723.70 and 26,709.80

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Solution

The fourth proportional to 109,815.80, 164,723.70 and 26,709.80 is: 40,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815.80 : 164,723.70 = 26,709.80 : x
  2. Step 2: Convert to fraction form
    109,815.80/164,723.70 = 26,709.80/x
  3. Step 3: Cross multiply
    109,815.80x = 164,723.70 × 26,709.80
  4. Step 4: Simplify right side
    109,815.80x = 4,399,737,082.26
  5. Step 5: Solve for x
    x = 4,399,737,082.26/109,815.80
  6. Step 6: Final answer
    x = 40,064.70

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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.