Home / 75,311.31-112,897.85-26,028.75

Finding the Fourth Proportional to 75,311.31, 112,897.85 and 26,028.75

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Solution

The fourth proportional to 75,311.31, 112,897.85 and 26,028.75 is: 39,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,311.31 : 112,897.85 = 26,028.75 : x
  2. Step 2: Convert to fraction form
    75,311.31/112,897.85 = 26,028.75/x
  3. Step 3: Cross multiply
    75,311.31x = 112,897.85 × 26,028.75
  4. Step 4: Simplify right side
    75,311.31x = 2,938,589,783.04
  5. Step 5: Solve for x
    x = 2,938,589,783.04/75,311.31
  6. Step 6: Final answer
    x = 39,019.24

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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.