Home / 69,931.68-104,874.84-23,172

Finding the Fourth Proportional to 69,931.68, 104,874.84 and 23,172

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Solution

The fourth proportional to 69,931.68, 104,874.84 and 23,172 is: 34,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.68 : 104,874.84 = 23,172 : x
  2. Step 2: Convert to fraction form
    69,931.68/104,874.84 = 23,172/x
  3. Step 3: Cross multiply
    69,931.68x = 104,874.84 × 23,172
  4. Step 4: Simplify right side
    69,931.68x = 2,430,159,792.48
  5. Step 5: Solve for x
    x = 2,430,159,792.48/69,931.68
  6. Step 6: Final answer
    x = 34,750.48

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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.