Home / 85,233.56-117,499.20-59,660.80

Finding the Fourth Proportional to 85,233.56, 117,499.20 and 59,660.80

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Solution

The fourth proportional to 85,233.56, 117,499.20 and 59,660.80 is: 82,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,233.56 : 117,499.20 = 59,660.80 : x
  2. Step 2: Convert to fraction form
    85,233.56/117,499.20 = 59,660.80/x
  3. Step 3: Cross multiply
    85,233.56x = 117,499.20 × 59,660.80
  4. Step 4: Simplify right side
    85,233.56x = 7,010,096,271.36
  5. Step 5: Solve for x
    x = 7,010,096,271.36/85,233.56
  6. Step 6: Final answer
    x = 82,245.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.