Home / 117,741.17-162,487.09-67,449.89

Finding the Fourth Proportional to 117,741.17, 162,487.09 and 67,449.89

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Solution

The fourth proportional to 117,741.17, 162,487.09 and 67,449.89 is: 93,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.17 : 162,487.09 = 67,449.89 : x
  2. Step 2: Convert to fraction form
    117,741.17/162,487.09 = 67,449.89/x
  3. Step 3: Cross multiply
    117,741.17x = 162,487.09 × 67,449.89
  4. Step 4: Simplify right side
    117,741.17x = 10,959,735,670.52
  5. Step 5: Solve for x
    x = 10,959,735,670.52/117,741.17
  6. Step 6: Final answer
    x = 93,083.29

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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.