Home / 69,948.74-104,835.30-55,099.01

Finding the Fourth Proportional to 69,948.74, 104,835.30 and 55,099.01

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Solution

The fourth proportional to 69,948.74, 104,835.30 and 55,099.01 is: 82,579.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,948.74 : 104,835.30 = 55,099.01 : x
  2. Step 2: Convert to fraction form
    69,948.74/104,835.30 = 55,099.01/x
  3. Step 3: Cross multiply
    69,948.74x = 104,835.30 × 55,099.01
  4. Step 4: Simplify right side
    69,948.74x = 5,776,320,718.88
  5. Step 5: Solve for x
    x = 5,776,320,718.88/69,948.74
  6. Step 6: Final answer
    x = 82,579.34

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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.