Home / 75,538.80-113,178.60-36,010.80

Finding the Fourth Proportional to 75,538.80, 113,178.60 and 36,010.80

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Solution

The fourth proportional to 75,538.80, 113,178.60 and 36,010.80 is: 53,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538.80 : 113,178.60 = 36,010.80 : x
  2. Step 2: Convert to fraction form
    75,538.80/113,178.60 = 36,010.80/x
  3. Step 3: Cross multiply
    75,538.80x = 113,178.60 × 36,010.80
  4. Step 4: Simplify right side
    75,538.80x = 4,075,651,928.88
  5. Step 5: Solve for x
    x = 4,075,651,928.88/75,538.80
  6. Step 6: Final answer
    x = 53,954.42

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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.