Home / 75,333.99-113,002.69-19,173.88

Finding the Fourth Proportional to 75,333.99, 113,002.69 and 19,173.88

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Solution

The fourth proportional to 75,333.99, 113,002.69 and 19,173.88 is: 28,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,333.99 : 113,002.69 = 19,173.88 : x
  2. Step 2: Convert to fraction form
    75,333.99/113,002.69 = 19,173.88/x
  3. Step 3: Cross multiply
    75,333.99x = 113,002.69 × 19,173.88
  4. Step 4: Simplify right side
    75,333.99x = 2,166,699,356.85
  5. Step 5: Solve for x
    x = 2,166,699,356.85/75,333.99
  6. Step 6: Final answer
    x = 28,761.25

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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.