Home / 116,823.35-161,270.05-68,418.55

Finding the Fourth Proportional to 116,823.35, 161,270.05 and 68,418.55

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Solution

The fourth proportional to 116,823.35, 161,270.05 and 68,418.55 is: 94,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,823.35 : 161,270.05 = 68,418.55 : x
  2. Step 2: Convert to fraction form
    116,823.35/161,270.05 = 68,418.55/x
  3. Step 3: Cross multiply
    116,823.35x = 161,270.05 × 68,418.55
  4. Step 4: Simplify right side
    116,823.35x = 11,033,862,405.21
  5. Step 5: Solve for x
    x = 11,033,862,405.21/116,823.35
  6. Step 6: Final answer
    x = 94,449.12

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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.