Home / 48,683.48-67,122.33-40,628.72

Finding the Fourth Proportional to 48,683.48, 67,122.33 and 40,628.72

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Solution

The fourth proportional to 48,683.48, 67,122.33 and 40,628.72 is: 56,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,683.48 : 67,122.33 = 40,628.72 : x
  2. Step 2: Convert to fraction form
    48,683.48/67,122.33 = 40,628.72/x
  3. Step 3: Cross multiply
    48,683.48x = 67,122.33 × 40,628.72
  4. Step 4: Simplify right side
    48,683.48x = 2,727,094,351.32
  5. Step 5: Solve for x
    x = 2,727,094,351.32/48,683.48
  6. Step 6: Final answer
    x = 56,016.83

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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.