Home / 75,611.30-104,353.53-43,358.54

Finding the Fourth Proportional to 75,611.30, 104,353.53 and 43,358.54

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Solution

The fourth proportional to 75,611.30, 104,353.53 and 43,358.54 is: 59,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,611.30 : 104,353.53 = 43,358.54 : x
  2. Step 2: Convert to fraction form
    75,611.30/104,353.53 = 43,358.54/x
  3. Step 3: Cross multiply
    75,611.30x = 104,353.53 × 43,358.54
  4. Step 4: Simplify right side
    75,611.30x = 4,524,616,704.65
  5. Step 5: Solve for x
    x = 4,524,616,704.65/75,611.30
  6. Step 6: Final answer
    x = 59,840.48

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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.