Home / 69,931.44-104,897.25-53,385.41

Finding the Fourth Proportional to 69,931.44, 104,897.25 and 53,385.41

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Solution

The fourth proportional to 69,931.44, 104,897.25 and 53,385.41 is: 80,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.44 : 104,897.25 = 53,385.41 : x
  2. Step 2: Convert to fraction form
    69,931.44/104,897.25 = 53,385.41/x
  3. Step 3: Cross multiply
    69,931.44x = 104,897.25 × 53,385.41
  4. Step 4: Simplify right side
    69,931.44x = 5,599,982,174.64
  5. Step 5: Solve for x
    x = 5,599,982,174.64/69,931.44
  6. Step 6: Final answer
    x = 80,078.18

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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.