Home / 74,736.48-112,102.94-18,576.74

Finding the Fourth Proportional to 74,736.48, 112,102.94 and 18,576.74

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Solution

The fourth proportional to 74,736.48, 112,102.94 and 18,576.74 is: 27,864.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.48 : 112,102.94 = 18,576.74 : x
  2. Step 2: Convert to fraction form
    74,736.48/112,102.94 = 18,576.74/x
  3. Step 3: Cross multiply
    74,736.48x = 112,102.94 × 18,576.74
  4. Step 4: Simplify right side
    74,736.48x = 2,082,507,169.62
  5. Step 5: Solve for x
    x = 2,082,507,169.62/74,736.48
  6. Step 6: Final answer
    x = 27,864.67

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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.