Home / 77,546.20-116,298.48-21,372.92

Finding the Fourth Proportional to 77,546.20, 116,298.48 and 21,372.92

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Solution

The fourth proportional to 77,546.20, 116,298.48 and 21,372.92 is: 32,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.20 : 116,298.48 = 21,372.92 : x
  2. Step 2: Convert to fraction form
    77,546.20/116,298.48 = 21,372.92/x
  3. Step 3: Cross multiply
    77,546.20x = 116,298.48 × 21,372.92
  4. Step 4: Simplify right side
    77,546.20x = 2,485,638,109.16
  5. Step 5: Solve for x
    x = 2,485,638,109.16/77,546.20
  6. Step 6: Final answer
    x = 32,053.64

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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.