Home / 45,231.14-67,837.16-29,172.57

Finding the Fourth Proportional to 45,231.14, 67,837.16 and 29,172.57

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Solution

The fourth proportional to 45,231.14, 67,837.16 and 29,172.57 is: 43,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,231.14 : 67,837.16 = 29,172.57 : x
  2. Step 2: Convert to fraction form
    45,231.14/67,837.16 = 29,172.57/x
  3. Step 3: Cross multiply
    45,231.14x = 67,837.16 × 29,172.57
  4. Step 4: Simplify right side
    45,231.14x = 1,978,984,152.84
  5. Step 5: Solve for x
    x = 1,978,984,152.84/45,231.14
  6. Step 6: Final answer
    x = 43,752.70

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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.