Home / 69,418.16-104,168.70-63,771.56

Finding the Fourth Proportional to 69,418.16, 104,168.70 and 63,771.56

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Solution

The fourth proportional to 69,418.16, 104,168.70 and 63,771.56 is: 95,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,418.16 : 104,168.70 = 63,771.56 : x
  2. Step 2: Convert to fraction form
    69,418.16/104,168.70 = 63,771.56/x
  3. Step 3: Cross multiply
    69,418.16x = 104,168.70 × 63,771.56
  4. Step 4: Simplify right side
    69,418.16x = 6,643,000,502.17
  5. Step 5: Solve for x
    x = 6,643,000,502.17/69,418.16
  6. Step 6: Final answer
    x = 95,695.43

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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.