Home / 86,623.01-119,654.48-69,691.04

Finding the Fourth Proportional to 86,623.01, 119,654.48 and 69,691.04

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Solution

The fourth proportional to 86,623.01, 119,654.48 and 69,691.04 is: 96,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,623.01 : 119,654.48 = 69,691.04 : x
  2. Step 2: Convert to fraction form
    86,623.01/119,654.48 = 69,691.04/x
  3. Step 3: Cross multiply
    86,623.01x = 119,654.48 × 69,691.04
  4. Step 4: Simplify right side
    86,623.01x = 8,338,845,151.86
  5. Step 5: Solve for x
    x = 8,338,845,151.86/86,623.01
  6. Step 6: Final answer
    x = 96,265.94

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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.