Home / 75,604.16-104,329.68-42,068

Finding the Fourth Proportional to 75,604.16, 104,329.68 and 42,068

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Solution

The fourth proportional to 75,604.16, 104,329.68 and 42,068 is: 58,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,604.16 : 104,329.68 = 42,068 : x
  2. Step 2: Convert to fraction form
    75,604.16/104,329.68 = 42,068/x
  3. Step 3: Cross multiply
    75,604.16x = 104,329.68 × 42,068
  4. Step 4: Simplify right side
    75,604.16x = 4,388,940,978.24
  5. Step 5: Solve for x
    x = 4,388,940,978.24/75,604.16
  6. Step 6: Final answer
    x = 58,051.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.