Home / 89,315.10-133,994.97-33,171.21

Finding the Fourth Proportional to 89,315.10, 133,994.97 and 33,171.21

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Solution

The fourth proportional to 89,315.10, 133,994.97 and 33,171.21 is: 49,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,315.10 : 133,994.97 = 33,171.21 : x
  2. Step 2: Convert to fraction form
    89,315.10/133,994.97 = 33,171.21/x
  3. Step 3: Cross multiply
    89,315.10x = 133,994.97 × 33,171.21
  4. Step 4: Simplify right side
    89,315.10x = 4,444,775,288.81
  5. Step 5: Solve for x
    x = 4,444,775,288.81/89,315.10
  6. Step 6: Final answer
    x = 49,765.10

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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.