Home / 75,829.65-104,645.28-41,838.14

Finding the Fourth Proportional to 75,829.65, 104,645.28 and 41,838.14

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Solution

The fourth proportional to 75,829.65, 104,645.28 and 41,838.14 is: 57,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,829.65 : 104,645.28 = 41,838.14 : x
  2. Step 2: Convert to fraction form
    75,829.65/104,645.28 = 41,838.14/x
  3. Step 3: Cross multiply
    75,829.65x = 104,645.28 × 41,838.14
  4. Step 4: Simplify right side
    75,829.65x = 4,378,163,874.98
  5. Step 5: Solve for x
    x = 4,378,163,874.98/75,829.65
  6. Step 6: Final answer
    x = 57,736.83

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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.