Home / 43,175.94-64,764.33-12,013.62

Finding the Fourth Proportional to 43,175.94, 64,764.33 and 12,013.62

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Solution

The fourth proportional to 43,175.94, 64,764.33 and 12,013.62 is: 18,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.94 : 64,764.33 = 12,013.62 : x
  2. Step 2: Convert to fraction form
    43,175.94/64,764.33 = 12,013.62/x
  3. Step 3: Cross multiply
    43,175.94x = 64,764.33 × 12,013.62
  4. Step 4: Simplify right side
    43,175.94x = 778,054,050.17
  5. Step 5: Solve for x
    x = 778,054,050.17/43,175.94
  6. Step 6: Final answer
    x = 18,020.55

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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.