Home / 69,639.05-104,418.50-37,141.16

Finding the Fourth Proportional to 69,639.05, 104,418.50 and 37,141.16

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Solution

The fourth proportional to 69,639.05, 104,418.50 and 37,141.16 is: 55,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,639.05 : 104,418.50 = 37,141.16 : x
  2. Step 2: Convert to fraction form
    69,639.05/104,418.50 = 37,141.16/x
  3. Step 3: Cross multiply
    69,639.05x = 104,418.50 × 37,141.16
  4. Step 4: Simplify right side
    69,639.05x = 3,878,223,693.37
  5. Step 5: Solve for x
    x = 3,878,223,693.37/69,639.05
  6. Step 6: Final answer
    x = 55,690.36

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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.