Home / 116,715.26-174,792.22-66,643.61

Finding the Fourth Proportional to 116,715.26, 174,792.22 and 66,643.61

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Solution

The fourth proportional to 116,715.26, 174,792.22 and 66,643.61 is: 99,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,715.26 : 174,792.22 = 66,643.61 : x
  2. Step 2: Convert to fraction form
    116,715.26/174,792.22 = 66,643.61/x
  3. Step 3: Cross multiply
    116,715.26x = 174,792.22 × 66,643.61
  4. Step 4: Simplify right side
    116,715.26x = 11,648,783,500.14
  5. Step 5: Solve for x
    x = 11,648,783,500.14/116,715.26
  6. Step 6: Final answer
    x = 99,805.14

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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.