Home / 72,525.08-108,792.87-30,362.75

Finding the Fourth Proportional to 72,525.08, 108,792.87 and 30,362.75

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Solution

The fourth proportional to 72,525.08, 108,792.87 and 30,362.75 is: 45,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,525.08 : 108,792.87 = 30,362.75 : x
  2. Step 2: Convert to fraction form
    72,525.08/108,792.87 = 30,362.75/x
  3. Step 3: Cross multiply
    72,525.08x = 108,792.87 × 30,362.75
  4. Step 4: Simplify right side
    72,525.08x = 3,303,250,169.63
  5. Step 5: Solve for x
    x = 3,303,250,169.63/72,525.08
  6. Step 6: Final answer
    x = 45,546.32

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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.