Home / 69,733.90-104,542.06-30,261.28

Finding the Fourth Proportional to 69,733.90, 104,542.06 and 30,261.28

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Solution

The fourth proportional to 69,733.90, 104,542.06 and 30,261.28 is: 45,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,733.90 : 104,542.06 = 30,261.28 : x
  2. Step 2: Convert to fraction form
    69,733.90/104,542.06 = 30,261.28/x
  3. Step 3: Cross multiply
    69,733.90x = 104,542.06 × 30,261.28
  4. Step 4: Simplify right side
    69,733.90x = 3,163,576,549.44
  5. Step 5: Solve for x
    x = 3,163,576,549.44/69,733.90
  6. Step 6: Final answer
    x = 45,366.41

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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.