Home / 69,772.56-96,285.44-37,940.78

Finding the Fourth Proportional to 69,772.56, 96,285.44 and 37,940.78

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Solution

The fourth proportional to 69,772.56, 96,285.44 and 37,940.78 is: 52,357.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772.56 : 96,285.44 = 37,940.78 : x
  2. Step 2: Convert to fraction form
    69,772.56/96,285.44 = 37,940.78/x
  3. Step 3: Cross multiply
    69,772.56x = 96,285.44 × 37,940.78
  4. Step 4: Simplify right side
    69,772.56x = 3,653,144,696.24
  5. Step 5: Solve for x
    x = 3,653,144,696.24/69,772.56
  6. Step 6: Final answer
    x = 52,357.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.