Home / 69,425.64-104,122.23-19,510.54

Finding the Fourth Proportional to 69,425.64, 104,122.23 and 19,510.54

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Solution

The fourth proportional to 69,425.64, 104,122.23 and 19,510.54 is: 29,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.64 : 104,122.23 = 19,510.54 : x
  2. Step 2: Convert to fraction form
    69,425.64/104,122.23 = 19,510.54/x
  3. Step 3: Cross multiply
    69,425.64x = 104,122.23 × 19,510.54
  4. Step 4: Simplify right side
    69,425.64x = 2,031,480,599.83
  5. Step 5: Solve for x
    x = 2,031,480,599.83/69,425.64
  6. Step 6: Final answer
    x = 29,261.24

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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.