Home / 75,907.32-104,731.68-49,040.04

Finding the Fourth Proportional to 75,907.32, 104,731.68 and 49,040.04

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Solution

The fourth proportional to 75,907.32, 104,731.68 and 49,040.04 is: 67,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.32 : 104,731.68 = 49,040.04 : x
  2. Step 2: Convert to fraction form
    75,907.32/104,731.68 = 49,040.04/x
  3. Step 3: Cross multiply
    75,907.32x = 104,731.68 × 49,040.04
  4. Step 4: Simplify right side
    75,907.32x = 5,136,045,776.47
  5. Step 5: Solve for x
    x = 5,136,045,776.47/75,907.32
  6. Step 6: Final answer
    x = 67,662.06

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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.