Home / 56,712.46-85,081.35-17,272.63

Finding the Fourth Proportional to 56,712.46, 85,081.35 and 17,272.63

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Solution

The fourth proportional to 56,712.46, 85,081.35 and 17,272.63 is: 25,912.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.46 : 85,081.35 = 17,272.63 : x
  2. Step 2: Convert to fraction form
    56,712.46/85,081.35 = 17,272.63/x
  3. Step 3: Cross multiply
    56,712.46x = 85,081.35 × 17,272.63
  4. Step 4: Simplify right side
    56,712.46x = 1,469,578,678.45
  5. Step 5: Solve for x
    x = 1,469,578,678.45/56,712.46
  6. Step 6: Final answer
    x = 25,912.80

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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.