Home / 88,683.35-133,025.03-81,976.55

Finding the Fourth Proportional to 88,683.35, 133,025.03 and 81,976.55

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Solution

The fourth proportional to 88,683.35, 133,025.03 and 81,976.55 is: 122,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,683.35 : 133,025.03 = 81,976.55 : x
  2. Step 2: Convert to fraction form
    88,683.35/133,025.03 = 81,976.55/x
  3. Step 3: Cross multiply
    88,683.35x = 133,025.03 × 81,976.55
  4. Step 4: Simplify right side
    88,683.35x = 10,904,932,613.16
  5. Step 5: Solve for x
    x = 10,904,932,613.16/88,683.35
  6. Step 6: Final answer
    x = 122,964.83

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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.