Home / 69,619.28-96,072.03-37,787.49

Finding the Fourth Proportional to 69,619.28, 96,072.03 and 37,787.49

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Solution

The fourth proportional to 69,619.28, 96,072.03 and 37,787.49 is: 52,145.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.28 : 96,072.03 = 37,787.49 : x
  2. Step 2: Convert to fraction form
    69,619.28/96,072.03 = 37,787.49/x
  3. Step 3: Cross multiply
    69,619.28x = 96,072.03 × 37,787.49
  4. Step 4: Simplify right side
    69,619.28x = 3,630,320,872.90
  5. Step 5: Solve for x
    x = 3,630,320,872.90/69,619.28
  6. Step 6: Final answer
    x = 52,145.34

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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.