Home / 116,953.39-161,397.78-68,590.20

Finding the Fourth Proportional to 116,953.39, 161,397.78 and 68,590.20

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Solution

The fourth proportional to 116,953.39, 161,397.78 and 68,590.20 is: 94,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,953.39 : 161,397.78 = 68,590.20 : x
  2. Step 2: Convert to fraction form
    116,953.39/161,397.78 = 68,590.20/x
  3. Step 3: Cross multiply
    116,953.39x = 161,397.78 × 68,590.20
  4. Step 4: Simplify right side
    116,953.39x = 11,070,305,147.30
  5. Step 5: Solve for x
    x = 11,070,305,147.30/116,953.39
  6. Step 6: Final answer
    x = 94,655.70

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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.