Home / 45,343.21-68,014.71-12,063.28

Finding the Fourth Proportional to 45,343.21, 68,014.71 and 12,063.28

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Solution

The fourth proportional to 45,343.21, 68,014.71 and 12,063.28 is: 18,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,343.21 : 68,014.71 = 12,063.28 : x
  2. Step 2: Convert to fraction form
    45,343.21/68,014.71 = 12,063.28/x
  3. Step 3: Cross multiply
    45,343.21x = 68,014.71 × 12,063.28
  4. Step 4: Simplify right side
    45,343.21x = 820,480,320.81
  5. Step 5: Solve for x
    x = 820,480,320.81/45,343.21
  6. Step 6: Final answer
    x = 18,094.89

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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.