Home / 69,715.20-104,630.40-32,332.80

Finding the Fourth Proportional to 69,715.20, 104,630.40 and 32,332.80

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Solution

The fourth proportional to 69,715.20, 104,630.40 and 32,332.80 is: 48,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.20 : 104,630.40 = 32,332.80 : x
  2. Step 2: Convert to fraction form
    69,715.20/104,630.40 = 32,332.80/x
  3. Step 3: Cross multiply
    69,715.20x = 104,630.40 × 32,332.80
  4. Step 4: Simplify right side
    69,715.20x = 3,382,993,797.12
  5. Step 5: Solve for x
    x = 3,382,993,797.12/69,715.20
  6. Step 6: Final answer
    x = 48,525.91

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1.5x scale

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.