Home / 115,467.28-173,219.04-48,907.78

Finding the Fourth Proportional to 115,467.28, 173,219.04 and 48,907.78

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Solution

The fourth proportional to 115,467.28, 173,219.04 and 48,907.78 is: 73,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,467.28 : 173,219.04 = 48,907.78 : x
  2. Step 2: Convert to fraction form
    115,467.28/173,219.04 = 48,907.78/x
  3. Step 3: Cross multiply
    115,467.28x = 173,219.04 × 48,907.78
  4. Step 4: Simplify right side
    115,467.28x = 8,471,758,700.13
  5. Step 5: Solve for x
    x = 8,471,758,700.13/115,467.28
  6. Step 6: Final answer
    x = 73,369.34

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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.