Home / 89,003.32-133,517.94-26,678.68

Finding the Fourth Proportional to 89,003.32, 133,517.94 and 26,678.68

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Solution

The fourth proportional to 89,003.32, 133,517.94 and 26,678.68 is: 40,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003.32 : 133,517.94 = 26,678.68 : x
  2. Step 2: Convert to fraction form
    89,003.32/133,517.94 = 26,678.68/x
  3. Step 3: Cross multiply
    89,003.32x = 133,517.94 × 26,678.68
  4. Step 4: Simplify right side
    89,003.32x = 3,562,082,395.52
  5. Step 5: Solve for x
    x = 3,562,082,395.52/89,003.32
  6. Step 6: Final answer
    x = 40,021.90

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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.