Home / 117,455.04-162,083.52-66,469.44

Finding the Fourth Proportional to 117,455.04, 162,083.52 and 66,469.44

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Solution

The fourth proportional to 117,455.04, 162,083.52 and 66,469.44 is: 91,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.04 : 162,083.52 = 66,469.44 : x
  2. Step 2: Convert to fraction form
    117,455.04/162,083.52 = 66,469.44/x
  3. Step 3: Cross multiply
    117,455.04x = 162,083.52 × 66,469.44
  4. Step 4: Simplify right side
    117,455.04x = 10,773,600,807.63
  5. Step 5: Solve for x
    x = 10,773,600,807.63/117,455.04
  6. Step 6: Final answer
    x = 91,725.32

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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.