Home / 50,821.21-76,301.64-25,878.02

Finding the Fourth Proportional to 50,821.21, 76,301.64 and 25,878.02

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Solution

The fourth proportional to 50,821.21, 76,301.64 and 25,878.02 is: 38,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,821.21 : 76,301.64 = 25,878.02 : x
  2. Step 2: Convert to fraction form
    50,821.21/76,301.64 = 25,878.02/x
  3. Step 3: Cross multiply
    50,821.21x = 76,301.64 × 25,878.02
  4. Step 4: Simplify right side
    50,821.21x = 1,974,535,365.95
  5. Step 5: Solve for x
    x = 1,974,535,365.95/50,821.21
  6. Step 6: Final answer
    x = 38,852.58

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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.