Home / 89,246.76-133,785.09-30,051.96

Finding the Fourth Proportional to 89,246.76, 133,785.09 and 30,051.96

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Solution

The fourth proportional to 89,246.76, 133,785.09 and 30,051.96 is: 45,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,246.76 : 133,785.09 = 30,051.96 : x
  2. Step 2: Convert to fraction form
    89,246.76/133,785.09 = 30,051.96/x
  3. Step 3: Cross multiply
    89,246.76x = 133,785.09 × 30,051.96
  4. Step 4: Simplify right side
    89,246.76x = 4,020,504,173.28
  5. Step 5: Solve for x
    x = 4,020,504,173.28/89,246.76
  6. Step 6: Final answer
    x = 45,049.30

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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.