Home / 89,319.36-133,977.66-30,196.56

Finding the Fourth Proportional to 89,319.36, 133,977.66 and 30,196.56

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Solution

The fourth proportional to 89,319.36, 133,977.66 and 30,196.56 is: 45,294.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319.36 : 133,977.66 = 30,196.56 : x
  2. Step 2: Convert to fraction form
    89,319.36/133,977.66 = 30,196.56/x
  3. Step 3: Cross multiply
    89,319.36x = 133,977.66 × 30,196.56
  4. Step 4: Simplify right side
    89,319.36x = 4,045,664,448.85
  5. Step 5: Solve for x
    x = 4,045,664,448.85/89,319.36
  6. Step 6: Final answer
    x = 45,294.37

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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.