Home / 104,711.85-157,078.71-60,388.65

Finding the Fourth Proportional to 104,711.85, 157,078.71 and 60,388.65

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Solution

The fourth proportional to 104,711.85, 157,078.71 and 60,388.65 is: 90,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,711.85 : 157,078.71 = 60,388.65 : x
  2. Step 2: Convert to fraction form
    104,711.85/157,078.71 = 60,388.65/x
  3. Step 3: Cross multiply
    104,711.85x = 157,078.71 × 60,388.65
  4. Step 4: Simplify right side
    104,711.85x = 9,485,771,240.64
  5. Step 5: Solve for x
    x = 9,485,771,240.64/104,711.85
  6. Step 6: Final answer
    x = 90,589.28

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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.