Home / 69,619.40-96,072.20-37,787.62

Finding the Fourth Proportional to 69,619.40, 96,072.20 and 37,787.62

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Solution

The fourth proportional to 69,619.40, 96,072.20 and 37,787.62 is: 52,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.40 : 96,072.20 = 37,787.62 : x
  2. Step 2: Convert to fraction form
    69,619.40/96,072.20 = 37,787.62/x
  3. Step 3: Cross multiply
    69,619.40x = 96,072.20 × 37,787.62
  4. Step 4: Simplify right side
    69,619.40x = 3,630,339,116.86
  5. Step 5: Solve for x
    x = 3,630,339,116.86/69,619.40
  6. Step 6: Final answer
    x = 52,145.51

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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.