Home / 82,109.27-113,311.62-48,137.87

Finding the Fourth Proportional to 82,109.27, 113,311.62 and 48,137.87

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Solution

The fourth proportional to 82,109.27, 113,311.62 and 48,137.87 is: 66,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,109.27 : 113,311.62 = 48,137.87 : x
  2. Step 2: Convert to fraction form
    82,109.27/113,311.62 = 48,137.87/x
  3. Step 3: Cross multiply
    82,109.27x = 113,311.62 × 48,137.87
  4. Step 4: Simplify right side
    82,109.27x = 5,454,579,792.36
  5. Step 5: Solve for x
    x = 5,454,579,792.36/82,109.27
  6. Step 6: Final answer
    x = 66,430.74

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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.