Home / 69,445.06-104,172.50-34,375.30

Finding the Fourth Proportional to 69,445.06, 104,172.50 and 34,375.30

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Solution

The fourth proportional to 69,445.06, 104,172.50 and 34,375.30 is: 51,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,445.06 : 104,172.50 = 34,375.30 : x
  2. Step 2: Convert to fraction form
    69,445.06/104,172.50 = 34,375.30/x
  3. Step 3: Cross multiply
    69,445.06x = 104,172.50 × 34,375.30
  4. Step 4: Simplify right side
    69,445.06x = 3,580,960,939.25
  5. Step 5: Solve for x
    x = 3,580,960,939.25/69,445.06
  6. Step 6: Final answer
    x = 51,565.38

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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.