Home / 80,217.64-110,665.38-48,368.44

Finding the Fourth Proportional to 80,217.64, 110,665.38 and 48,368.44

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Solution

The fourth proportional to 80,217.64, 110,665.38 and 48,368.44 is: 66,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,217.64 : 110,665.38 = 48,368.44 : x
  2. Step 2: Convert to fraction form
    80,217.64/110,665.38 = 48,368.44/x
  3. Step 3: Cross multiply
    80,217.64x = 110,665.38 × 48,368.44
  4. Step 4: Simplify right side
    80,217.64x = 5,352,711,792.61
  5. Step 5: Solve for x
    x = 5,352,711,792.61/80,217.64
  6. Step 6: Final answer
    x = 66,727.37

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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.