Home / 69,619.38-96,072.18-37,787.60

Finding the Fourth Proportional to 69,619.38, 96,072.18 and 37,787.60

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Solution

The fourth proportional to 69,619.38, 96,072.18 and 37,787.60 is: 52,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619.38 : 96,072.18 = 37,787.60 : x
  2. Step 2: Convert to fraction form
    69,619.38/96,072.18 = 37,787.60/x
  3. Step 3: Cross multiply
    69,619.38x = 96,072.18 × 37,787.60
  4. Step 4: Simplify right side
    69,619.38x = 3,630,337,108.97
  5. Step 5: Solve for x
    x = 3,630,337,108.97/69,619.38
  6. Step 6: Final answer
    x = 52,145.50

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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.