Home / 69,931.68-104,906.16-23,215.20

Finding the Fourth Proportional to 69,931.68, 104,906.16 and 23,215.20

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Solution

The fourth proportional to 69,931.68, 104,906.16 and 23,215.20 is: 34,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,931.68 : 104,906.16 = 23,215.20 : x
  2. Step 2: Convert to fraction form
    69,931.68/104,906.16 = 23,215.20/x
  3. Step 3: Cross multiply
    69,931.68x = 104,906.16 × 23,215.20
  4. Step 4: Simplify right side
    69,931.68x = 2,435,417,485.63
  5. Step 5: Solve for x
    x = 2,435,417,485.63/69,931.68
  6. Step 6: Final answer
    x = 34,825.67

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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.