Home / 73,218.08-109,829.54-25,186.21

Finding the Fourth Proportional to 73,218.08, 109,829.54 and 25,186.21

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Solution

The fourth proportional to 73,218.08, 109,829.54 and 25,186.21 is: 37,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218.08 : 109,829.54 = 25,186.21 : x
  2. Step 2: Convert to fraction form
    73,218.08/109,829.54 = 25,186.21/x
  3. Step 3: Cross multiply
    73,218.08x = 109,829.54 × 25,186.21
  4. Step 4: Simplify right side
    73,218.08x = 2,766,189,647.04
  5. Step 5: Solve for x
    x = 2,766,189,647.04/73,218.08
  6. Step 6: Final answer
    x = 37,780.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.