Home / 119,647.77-165,115.89-65,932.02

Finding the Fourth Proportional to 119,647.77, 165,115.89 and 65,932.02

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Solution

The fourth proportional to 119,647.77, 165,115.89 and 65,932.02 is: 90,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,647.77 : 165,115.89 = 65,932.02 : x
  2. Step 2: Convert to fraction form
    119,647.77/165,115.89 = 65,932.02/x
  3. Step 3: Cross multiply
    119,647.77x = 165,115.89 × 65,932.02
  4. Step 4: Simplify right side
    119,647.77x = 10,886,424,161.80
  5. Step 5: Solve for x
    x = 10,886,424,161.80/119,647.77
  6. Step 6: Final answer
    x = 90,987.27

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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.