Home / 48,279.99-72,420.03-27,459.75

Finding the Fourth Proportional to 48,279.99, 72,420.03 and 27,459.75

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Solution

The fourth proportional to 48,279.99, 72,420.03 and 27,459.75 is: 41,189.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.99 : 72,420.03 = 27,459.75 : x
  2. Step 2: Convert to fraction form
    48,279.99/72,420.03 = 27,459.75/x
  3. Step 3: Cross multiply
    48,279.99x = 72,420.03 × 27,459.75
  4. Step 4: Simplify right side
    48,279.99x = 1,988,635,918.79
  5. Step 5: Solve for x
    x = 1,988,635,918.79/48,279.99
  6. Step 6: Final answer
    x = 41,189.65

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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.