Home / 85,064.23-127,596.39-38,262.43

Finding the Fourth Proportional to 85,064.23, 127,596.39 and 38,262.43

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Solution

The fourth proportional to 85,064.23, 127,596.39 and 38,262.43 is: 57,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.23 : 127,596.39 = 38,262.43 : x
  2. Step 2: Convert to fraction form
    85,064.23/127,596.39 = 38,262.43/x
  3. Step 3: Cross multiply
    85,064.23x = 127,596.39 × 38,262.43
  4. Step 4: Simplify right side
    85,064.23x = 4,882,147,940.63
  5. Step 5: Solve for x
    x = 4,882,147,940.63/85,064.23
  6. Step 6: Final answer
    x = 57,393.67

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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.