Home / 75,828.88-104,644.20-41,837.76

Finding the Fourth Proportional to 75,828.88, 104,644.20 and 41,837.76

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Solution

The fourth proportional to 75,828.88, 104,644.20 and 41,837.76 is: 57,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.88 : 104,644.20 = 41,837.76 : x
  2. Step 2: Convert to fraction form
    75,828.88/104,644.20 = 41,837.76/x
  3. Step 3: Cross multiply
    75,828.88x = 104,644.20 × 41,837.76
  4. Step 4: Simplify right side
    75,828.88x = 4,378,078,924.99
  5. Step 5: Solve for x
    x = 4,378,078,924.99/75,828.88
  6. Step 6: Final answer
    x = 57,736.30

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1.5x scale

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.