Home / 69,432.03-104,064.60-31,940.46

Finding the Fourth Proportional to 69,432.03, 104,064.60 and 31,940.46

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Solution

The fourth proportional to 69,432.03, 104,064.60 and 31,940.46 is: 47,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,432.03 : 104,064.60 = 31,940.46 : x
  2. Step 2: Convert to fraction form
    69,432.03/104,064.60 = 31,940.46/x
  3. Step 3: Cross multiply
    69,432.03x = 104,064.60 × 31,940.46
  4. Step 4: Simplify right side
    69,432.03x = 3,323,871,193.72
  5. Step 5: Solve for x
    x = 3,323,871,193.72/69,432.03
  6. Step 6: Final answer
    x = 47,872.30

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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.