Home / 45,824.47-68,736.74-12,544.81

Finding the Fourth Proportional to 45,824.47, 68,736.74 and 12,544.81

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Solution

The fourth proportional to 45,824.47, 68,736.74 and 12,544.81 is: 18,817.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.47 : 68,736.74 = 12,544.81 : x
  2. Step 2: Convert to fraction form
    45,824.47/68,736.74 = 12,544.81/x
  3. Step 3: Cross multiply
    45,824.47x = 68,736.74 × 12,544.81
  4. Step 4: Simplify right side
    45,824.47x = 862,289,108.75
  5. Step 5: Solve for x
    x = 862,289,108.75/45,824.47
  6. Step 6: Final answer
    x = 18,817.22

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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.