Home / 75,635.07-104,378.91-41,645.22

Finding the Fourth Proportional to 75,635.07, 104,378.91 and 41,645.22

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Solution

The fourth proportional to 75,635.07, 104,378.91 and 41,645.22 is: 57,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,635.07 : 104,378.91 = 41,645.22 : x
  2. Step 2: Convert to fraction form
    75,635.07/104,378.91 = 41,645.22/x
  3. Step 3: Cross multiply
    75,635.07x = 104,378.91 × 41,645.22
  4. Step 4: Simplify right side
    75,635.07x = 4,346,882,670.31
  5. Step 5: Solve for x
    x = 4,346,882,670.31/75,635.07
  6. Step 6: Final answer
    x = 57,471.79

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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.