Home / 116,982.72-161,468.64-69,252.48

Finding the Fourth Proportional to 116,982.72, 161,468.64 and 69,252.48

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Solution

The fourth proportional to 116,982.72, 161,468.64 and 69,252.48 is: 95,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,982.72 : 161,468.64 = 69,252.48 : x
  2. Step 2: Convert to fraction form
    116,982.72/161,468.64 = 69,252.48/x
  3. Step 3: Cross multiply
    116,982.72x = 161,468.64 × 69,252.48
  4. Step 4: Simplify right side
    116,982.72x = 11,182,103,762.23
  5. Step 5: Solve for x
    x = 11,182,103,762.23/116,982.72
  6. Step 6: Final answer
    x = 95,587.65

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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.