Home / 75,769.84-113,699.07-42,064.24

Finding the Fourth Proportional to 75,769.84, 113,699.07 and 42,064.24

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Solution

The fourth proportional to 75,769.84, 113,699.07 and 42,064.24 is: 63,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,769.84 : 113,699.07 = 42,064.24 : x
  2. Step 2: Convert to fraction form
    75,769.84/113,699.07 = 42,064.24/x
  3. Step 3: Cross multiply
    75,769.84x = 113,699.07 × 42,064.24
  4. Step 4: Simplify right side
    75,769.84x = 4,782,664,189.44
  5. Step 5: Solve for x
    x = 4,782,664,189.44/75,769.84
  6. Step 6: Final answer
    x = 63,120.95

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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.