Home / 75,355.82-104,005.38-49,862.69

Finding the Fourth Proportional to 75,355.82, 104,005.38 and 49,862.69

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Solution

The fourth proportional to 75,355.82, 104,005.38 and 49,862.69 is: 68,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,355.82 : 104,005.38 = 49,862.69 : x
  2. Step 2: Convert to fraction form
    75,355.82/104,005.38 = 49,862.69/x
  3. Step 3: Cross multiply
    75,355.82x = 104,005.38 × 49,862.69
  4. Step 4: Simplify right side
    75,355.82x = 5,185,988,021.27
  5. Step 5: Solve for x
    x = 5,185,988,021.27/75,355.82
  6. Step 6: Final answer
    x = 68,820.01

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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.