Home / 105,899.63-158,815.77-34,805.85

Finding the Fourth Proportional to 105,899.63, 158,815.77 and 34,805.85

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Solution

The fourth proportional to 105,899.63, 158,815.77 and 34,805.85 is: 52,197.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,899.63 : 158,815.77 = 34,805.85 : x
  2. Step 2: Convert to fraction form
    105,899.63/158,815.77 = 34,805.85/x
  3. Step 3: Cross multiply
    105,899.63x = 158,815.77 × 34,805.85
  4. Step 4: Simplify right side
    105,899.63x = 5,527,717,868.25
  5. Step 5: Solve for x
    x = 5,527,717,868.25/105,899.63
  6. Step 6: Final answer
    x = 52,197.71

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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.