Home / 92,556.12-127,789.61-86,199.45

Finding the Fourth Proportional to 92,556.12, 127,789.61 and 86,199.45

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Solution

The fourth proportional to 92,556.12, 127,789.61 and 86,199.45 is: 119,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556.12 : 127,789.61 = 86,199.45 : x
  2. Step 2: Convert to fraction form
    92,556.12/127,789.61 = 86,199.45/x
  3. Step 3: Cross multiply
    92,556.12x = 127,789.61 × 86,199.45
  4. Step 4: Simplify right side
    92,556.12x = 11,015,394,097.71
  5. Step 5: Solve for x
    x = 11,015,394,097.71/92,556.12
  6. Step 6: Final answer
    x = 119,013.14

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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.