Home / 89,187.06-133,686.33-32,991.09

Finding the Fourth Proportional to 89,187.06, 133,686.33 and 32,991.09

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Solution

The fourth proportional to 89,187.06, 133,686.33 and 32,991.09 is: 49,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,187.06 : 133,686.33 = 32,991.09 : x
  2. Step 2: Convert to fraction form
    89,187.06/133,686.33 = 32,991.09/x
  3. Step 3: Cross multiply
    89,187.06x = 133,686.33 × 32,991.09
  4. Step 4: Simplify right side
    89,187.06x = 4,410,457,744.80
  5. Step 5: Solve for x
    x = 4,410,457,744.80/89,187.06
  6. Step 6: Final answer
    x = 49,451.77

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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.