Home / 69,949.12-104,865.36-34,840.48

Finding the Fourth Proportional to 69,949.12, 104,865.36 and 34,840.48

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Solution

The fourth proportional to 69,949.12, 104,865.36 and 34,840.48 is: 52,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,949.12 : 104,865.36 = 34,840.48 : x
  2. Step 2: Convert to fraction form
    69,949.12/104,865.36 = 34,840.48/x
  3. Step 3: Cross multiply
    69,949.12x = 104,865.36 × 34,840.48
  4. Step 4: Simplify right side
    69,949.12x = 3,653,559,477.77
  5. Step 5: Solve for x
    x = 3,653,559,477.77/69,949.12
  6. Step 6: Final answer
    x = 52,231.67

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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.