Home / 86,486.08-119,323.56-68,279.44

Finding the Fourth Proportional to 86,486.08, 119,323.56 and 68,279.44

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Solution

The fourth proportional to 86,486.08, 119,323.56 and 68,279.44 is: 94,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,486.08 : 119,323.56 = 68,279.44 : x
  2. Step 2: Convert to fraction form
    86,486.08/119,323.56 = 68,279.44/x
  3. Step 3: Cross multiply
    86,486.08x = 119,323.56 × 68,279.44
  4. Step 4: Simplify right side
    86,486.08x = 8,147,345,855.61
  5. Step 5: Solve for x
    x = 8,147,345,855.61/86,486.08
  6. Step 6: Final answer
    x = 94,204.13

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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.