Home / 86,912.24-119,930.36-51,111.05

Finding the Fourth Proportional to 86,912.24, 119,930.36 and 51,111.05

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Solution

The fourth proportional to 86,912.24, 119,930.36 and 51,111.05 is: 70,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,912.24 : 119,930.36 = 51,111.05 : x
  2. Step 2: Convert to fraction form
    86,912.24/119,930.36 = 51,111.05/x
  3. Step 3: Cross multiply
    86,912.24x = 119,930.36 × 51,111.05
  4. Step 4: Simplify right side
    86,912.24x = 6,129,765,771.27
  5. Step 5: Solve for x
    x = 6,129,765,771.27/86,912.24
  6. Step 6: Final answer
    x = 70,528.23

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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.