Home / 117,717.02-162,446.07-66,734.45

Finding the Fourth Proportional to 117,717.02, 162,446.07 and 66,734.45

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Solution

The fourth proportional to 117,717.02, 162,446.07 and 66,734.45 is: 92,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.02 : 162,446.07 = 66,734.45 : x
  2. Step 2: Convert to fraction form
    117,717.02/162,446.07 = 66,734.45/x
  3. Step 3: Cross multiply
    117,717.02x = 162,446.07 × 66,734.45
  4. Step 4: Simplify right side
    117,717.02x = 10,840,749,136.11
  5. Step 5: Solve for x
    x = 10,840,749,136.11/117,717.02
  6. Step 6: Final answer
    x = 92,091.60

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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.