Home / 67,682.27-93,358.21-54,285.68

Finding the Fourth Proportional to 67,682.27, 93,358.21 and 54,285.68

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Solution

The fourth proportional to 67,682.27, 93,358.21 and 54,285.68 is: 74,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,682.27 : 93,358.21 = 54,285.68 : x
  2. Step 2: Convert to fraction form
    67,682.27/93,358.21 = 54,285.68/x
  3. Step 3: Cross multiply
    67,682.27x = 93,358.21 × 54,285.68
  4. Step 4: Simplify right side
    67,682.27x = 5,068,013,913.43
  5. Step 5: Solve for x
    x = 5,068,013,913.43/67,682.27
  6. Step 6: Final answer
    x = 74,879.49

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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.