Home / 123,639.03-185,453.42-57,057.03

Finding the Fourth Proportional to 123,639.03, 185,453.42 and 57,057.03

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Solution

The fourth proportional to 123,639.03, 185,453.42 and 57,057.03 is: 85,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,639.03 : 185,453.42 = 57,057.03 : x
  2. Step 2: Convert to fraction form
    123,639.03/185,453.42 = 57,057.03/x
  3. Step 3: Cross multiply
    123,639.03x = 185,453.42 × 57,057.03
  4. Step 4: Simplify right side
    123,639.03x = 10,581,421,063.26
  5. Step 5: Solve for x
    x = 10,581,421,063.26/123,639.03
  6. Step 6: Final answer
    x = 85,583.18

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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.