Home / 116,738.03-161,099.13-66,437.03

Finding the Fourth Proportional to 116,738.03, 161,099.13 and 66,437.03

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Solution

The fourth proportional to 116,738.03, 161,099.13 and 66,437.03 is: 91,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,738.03 : 161,099.13 = 66,437.03 : x
  2. Step 2: Convert to fraction form
    116,738.03/161,099.13 = 66,437.03/x
  3. Step 3: Cross multiply
    116,738.03x = 161,099.13 × 66,437.03
  4. Step 4: Simplify right side
    116,738.03x = 10,702,947,732.78
  5. Step 5: Solve for x
    x = 10,702,947,732.78/116,738.03
  6. Step 6: Final answer
    x = 91,683.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.