Home / 48,934.80-67,429.80-40,467.60

Finding the Fourth Proportional to 48,934.80, 67,429.80 and 40,467.60

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Solution

The fourth proportional to 48,934.80, 67,429.80 and 40,467.60 is: 55,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,934.80 : 67,429.80 = 40,467.60 : x
  2. Step 2: Convert to fraction form
    48,934.80/67,429.80 = 40,467.60/x
  3. Step 3: Cross multiply
    48,934.80x = 67,429.80 × 40,467.60
  4. Step 4: Simplify right side
    48,934.80x = 2,728,722,174.48
  5. Step 5: Solve for x
    x = 2,728,722,174.48/48,934.80
  6. Step 6: Final answer
    x = 55,762.41

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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.