Home / 88,683.90-133,025.85-82,268.70

Finding the Fourth Proportional to 88,683.90, 133,025.85 and 82,268.70

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Solution

The fourth proportional to 88,683.90, 133,025.85 and 82,268.70 is: 123,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.90 : 133,025.85 = 82,268.70 : x
  2. Step 2: Convert to fraction form
    88,683.90/133,025.85 = 82,268.70/x
  3. Step 3: Cross multiply
    88,683.90x = 133,025.85 × 82,268.70
  4. Step 4: Simplify right side
    88,683.90x = 10,943,863,745.90
  5. Step 5: Solve for x
    x = 10,943,863,745.90/88,683.90
  6. Step 6: Final answer
    x = 123,403.05

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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.