Home / 84,279.56-116,309.32-48,469.59

Finding the Fourth Proportional to 84,279.56, 116,309.32 and 48,469.59

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Solution

The fourth proportional to 84,279.56, 116,309.32 and 48,469.59 is: 66,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.56 : 116,309.32 = 48,469.59 : x
  2. Step 2: Convert to fraction form
    84,279.56/116,309.32 = 48,469.59/x
  3. Step 3: Cross multiply
    84,279.56x = 116,309.32 × 48,469.59
  4. Step 4: Simplify right side
    84,279.56x = 5,637,465,459.45
  5. Step 5: Solve for x
    x = 5,637,465,459.45/84,279.56
  6. Step 6: Final answer
    x = 66,890.07

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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.