Home / 79,414.20-109,583.54-47,582.28

Finding the Fourth Proportional to 79,414.20, 109,583.54 and 47,582.28

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Solution

The fourth proportional to 79,414.20, 109,583.54 and 47,582.28 is: 65,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,414.20 : 109,583.54 = 47,582.28 : x
  2. Step 2: Convert to fraction form
    79,414.20/109,583.54 = 47,582.28/x
  3. Step 3: Cross multiply
    79,414.20x = 109,583.54 × 47,582.28
  4. Step 4: Simplify right side
    79,414.20x = 5,214,234,683.67
  5. Step 5: Solve for x
    x = 5,214,234,683.67/79,414.20
  6. Step 6: Final answer
    x = 65,658.72

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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.