Home / 85,245.19-127,822.62-37,839.67

Finding the Fourth Proportional to 85,245.19, 127,822.62 and 37,839.67

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Solution

The fourth proportional to 85,245.19, 127,822.62 and 37,839.67 is: 56,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,245.19 : 127,822.62 = 37,839.67 : x
  2. Step 2: Convert to fraction form
    85,245.19/127,822.62 = 37,839.67/x
  3. Step 3: Cross multiply
    85,245.19x = 127,822.62 × 37,839.67
  4. Step 4: Simplify right side
    85,245.19x = 4,836,765,759.34
  5. Step 5: Solve for x
    x = 4,836,765,759.34/85,245.19
  6. Step 6: Final answer
    x = 56,739.46

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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.