Home / 75,740.37-104,516.99-41,749.12

Finding the Fourth Proportional to 75,740.37, 104,516.99 and 41,749.12

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Solution

The fourth proportional to 75,740.37, 104,516.99 and 41,749.12 is: 57,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.37 : 104,516.99 = 41,749.12 : x
  2. Step 2: Convert to fraction form
    75,740.37/104,516.99 = 41,749.12/x
  3. Step 3: Cross multiply
    75,740.37x = 104,516.99 × 41,749.12
  4. Step 4: Simplify right side
    75,740.37x = 4,363,492,357.55
  5. Step 5: Solve for x
    x = 4,363,492,357.55/75,740.37
  6. Step 6: Final answer
    x = 57,611.18

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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.