Home / 72,622.47-108,933.62-25,237.56

Finding the Fourth Proportional to 72,622.47, 108,933.62 and 25,237.56

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Solution

The fourth proportional to 72,622.47, 108,933.62 and 25,237.56 is: 37,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,622.47 : 108,933.62 = 25,237.56 : x
  2. Step 2: Convert to fraction form
    72,622.47/108,933.62 = 25,237.56/x
  3. Step 3: Cross multiply
    72,622.47x = 108,933.62 × 25,237.56
  4. Step 4: Simplify right side
    72,622.47x = 2,749,219,147.72
  5. Step 5: Solve for x
    x = 2,749,219,147.72/72,622.47
  6. Step 6: Final answer
    x = 37,856.32

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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.