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Finding the Fourth Proportional to 73,511.92, 101,448.72 and 41,682.16

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Solution

The fourth proportional to 73,511.92, 101,448.72 and 41,682.16 is: 57,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,511.92 : 101,448.72 = 41,682.16 : x
  2. Step 2: Convert to fraction form
    73,511.92/101,448.72 = 41,682.16/x
  3. Step 3: Cross multiply
    73,511.92x = 101,448.72 × 41,682.16
  4. Step 4: Simplify right side
    73,511.92x = 4,228,601,778.84
  5. Step 5: Solve for x
    x = 4,228,601,778.84/73,511.92
  6. Step 6: Final answer
    x = 57,522.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.