Home / 89,236.80-133,846.09-30,072.98

Finding the Fourth Proportional to 89,236.80, 133,846.09 and 30,072.98

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Solution

The fourth proportional to 89,236.80, 133,846.09 and 30,072.98 is: 45,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.80 : 133,846.09 = 30,072.98 : x
  2. Step 2: Convert to fraction form
    89,236.80/133,846.09 = 30,072.98/x
  3. Step 3: Cross multiply
    89,236.80x = 133,846.09 × 30,072.98
  4. Step 4: Simplify right side
    89,236.80x = 4,025,151,047.08
  5. Step 5: Solve for x
    x = 4,025,151,047.08/89,236.80
  6. Step 6: Final answer
    x = 45,106.40

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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.