Home / 69,616.87-96,071.39-37,785.78

Finding the Fourth Proportional to 69,616.87, 96,071.39 and 37,785.78

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Solution

The fourth proportional to 69,616.87, 96,071.39 and 37,785.78 is: 52,144.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,616.87 : 96,071.39 = 37,785.78 : x
  2. Step 2: Convert to fraction form
    69,616.87/96,071.39 = 37,785.78/x
  3. Step 3: Cross multiply
    69,616.87x = 96,071.39 × 37,785.78
  4. Step 4: Simplify right side
    69,616.87x = 3,630,132,406.83
  5. Step 5: Solve for x
    x = 3,630,132,406.83/69,616.87
  6. Step 6: Final answer
    x = 52,144.44

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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.