Home / 43,287.56-64,933.81-12,125.24

Finding the Fourth Proportional to 43,287.56, 64,933.81 and 12,125.24

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Solution

The fourth proportional to 43,287.56, 64,933.81 and 12,125.24 is: 18,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,287.56 : 64,933.81 = 12,125.24 : x
  2. Step 2: Convert to fraction form
    43,287.56/64,933.81 = 12,125.24/x
  3. Step 3: Cross multiply
    43,287.56x = 64,933.81 × 12,125.24
  4. Step 4: Simplify right side
    43,287.56x = 787,338,162.39
  5. Step 5: Solve for x
    x = 787,338,162.39/43,287.56
  6. Step 6: Final answer
    x = 18,188.55

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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.