Home / 56,712.12-85,080.48-17,268.20

Finding the Fourth Proportional to 56,712.12, 85,080.48 and 17,268.20

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Solution

The fourth proportional to 56,712.12, 85,080.48 and 17,268.20 is: 25,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.12 : 85,080.48 = 17,268.20 : x
  2. Step 2: Convert to fraction form
    56,712.12/85,080.48 = 17,268.20/x
  3. Step 3: Cross multiply
    56,712.12x = 85,080.48 × 17,268.20
  4. Step 4: Simplify right side
    56,712.12x = 1,469,186,744.74
  5. Step 5: Solve for x
    x = 1,469,186,744.74/56,712.12
  6. Step 6: Final answer
    x = 25,906.05

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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.