Home / 48,195.71-72,286.47-28,214.42

Finding the Fourth Proportional to 48,195.71, 72,286.47 and 28,214.42

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Solution

The fourth proportional to 48,195.71, 72,286.47 and 28,214.42 is: 42,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,195.71 : 72,286.47 = 28,214.42 : x
  2. Step 2: Convert to fraction form
    48,195.71/72,286.47 = 28,214.42/x
  3. Step 3: Cross multiply
    48,195.71x = 72,286.47 × 28,214.42
  4. Step 4: Simplify right side
    48,195.71x = 2,039,520,683.83
  5. Step 5: Solve for x
    x = 2,039,520,683.83/48,195.71
  6. Step 6: Final answer
    x = 42,317.48

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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.