Home / 50,485.12-75,727.68-17,188.03

Finding the Fourth Proportional to 50,485.12, 75,727.68 and 17,188.03

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Solution

The fourth proportional to 50,485.12, 75,727.68 and 17,188.03 is: 25,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,485.12 : 75,727.68 = 17,188.03 : x
  2. Step 2: Convert to fraction form
    50,485.12/75,727.68 = 17,188.03/x
  3. Step 3: Cross multiply
    50,485.12x = 75,727.68 × 17,188.03
  4. Step 4: Simplify right side
    50,485.12x = 1,301,609,635.67
  5. Step 5: Solve for x
    x = 1,301,609,635.67/50,485.12
  6. Step 6: Final answer
    x = 25,782.05

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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.