Home / 75,645.40-113,431.88-44,064.44

Finding the Fourth Proportional to 75,645.40, 113,431.88 and 44,064.44

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Solution

The fourth proportional to 75,645.40, 113,431.88 and 44,064.44 is: 66,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,645.40 : 113,431.88 = 44,064.44 : x
  2. Step 2: Convert to fraction form
    75,645.40/113,431.88 = 44,064.44/x
  3. Step 3: Cross multiply
    75,645.40x = 113,431.88 × 44,064.44
  4. Step 4: Simplify right side
    75,645.40x = 4,998,312,073.48
  5. Step 5: Solve for x
    x = 4,998,312,073.48/75,645.40
  6. Step 6: Final answer
    x = 66,075.56

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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.