Home / 45,343.13-68,014.53-12,063.20

Finding the Fourth Proportional to 45,343.13, 68,014.53 and 12,063.20

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Solution

The fourth proportional to 45,343.13, 68,014.53 and 12,063.20 is: 18,094.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,343.13 : 68,014.53 = 12,063.20 : x
  2. Step 2: Convert to fraction form
    45,343.13/68,014.53 = 12,063.20/x
  3. Step 3: Cross multiply
    45,343.13x = 68,014.53 × 12,063.20
  4. Step 4: Simplify right side
    45,343.13x = 820,472,538.22
  5. Step 5: Solve for x
    x = 820,472,538.22/45,343.13
  6. Step 6: Final answer
    x = 18,094.75

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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.