Home / 70,174.31-96,846.26-39,969.09

Finding the Fourth Proportional to 70,174.31, 96,846.26 and 39,969.09

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Solution

The fourth proportional to 70,174.31, 96,846.26 and 39,969.09 is: 55,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.31 : 96,846.26 = 39,969.09 : x
  2. Step 2: Convert to fraction form
    70,174.31/96,846.26 = 39,969.09/x
  3. Step 3: Cross multiply
    70,174.31x = 96,846.26 × 39,969.09
  4. Step 4: Simplify right side
    70,174.31x = 3,870,856,682.26
  5. Step 5: Solve for x
    x = 3,870,856,682.26/70,174.31
  6. Step 6: Final answer
    x = 55,160.60

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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.