Home / 69,425.02-104,143.61-19,505.53

Finding the Fourth Proportional to 69,425.02, 104,143.61 and 19,505.53

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Solution

The fourth proportional to 69,425.02, 104,143.61 and 19,505.53 is: 29,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,425.02 : 104,143.61 = 19,505.53 : x
  2. Step 2: Convert to fraction form
    69,425.02/104,143.61 = 19,505.53/x
  3. Step 3: Cross multiply
    69,425.02x = 104,143.61 × 19,505.53
  4. Step 4: Simplify right side
    69,425.02x = 2,031,375,951.28
  5. Step 5: Solve for x
    x = 2,031,375,951.28/69,425.02
  6. Step 6: Final answer
    x = 29,260.00

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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.