Home / 48,640.25-67,133.99-30,723.86

Finding the Fourth Proportional to 48,640.25, 67,133.99 and 30,723.86

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Solution

The fourth proportional to 48,640.25, 67,133.99 and 30,723.86 is: 42,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,640.25 : 67,133.99 = 30,723.86 : x
  2. Step 2: Convert to fraction form
    48,640.25/67,133.99 = 30,723.86/x
  3. Step 3: Cross multiply
    48,640.25x = 67,133.99 × 30,723.86
  4. Step 4: Simplify right side
    48,640.25x = 2,062,615,324.22
  5. Step 5: Solve for x
    x = 2,062,615,324.22/48,640.25
  6. Step 6: Final answer
    x = 42,405.52

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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.