Home / 43,336.84-64,990.62-12,164.68

Finding the Fourth Proportional to 43,336.84, 64,990.62 and 12,164.68

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Solution

The fourth proportional to 43,336.84, 64,990.62 and 12,164.68 is: 18,242.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,336.84 : 64,990.62 = 12,164.68 : x
  2. Step 2: Convert to fraction form
    43,336.84/64,990.62 = 12,164.68/x
  3. Step 3: Cross multiply
    43,336.84x = 64,990.62 × 12,164.68
  4. Step 4: Simplify right side
    43,336.84x = 790,590,095.30
  5. Step 5: Solve for x
    x = 790,590,095.30/43,336.84
  6. Step 6: Final answer
    x = 18,242.91

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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.