Home / 85,078.08-127,635.58-25,912.22

Finding the Fourth Proportional to 85,078.08, 127,635.58 and 25,912.22

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Solution

The fourth proportional to 85,078.08, 127,635.58 and 25,912.22 is: 38,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,078.08 : 127,635.58 = 25,912.22 : x
  2. Step 2: Convert to fraction form
    85,078.08/127,635.58 = 25,912.22/x
  3. Step 3: Cross multiply
    85,078.08x = 127,635.58 × 25,912.22
  4. Step 4: Simplify right side
    85,078.08x = 3,307,321,228.79
  5. Step 5: Solve for x
    x = 3,307,321,228.79/85,078.08
  6. Step 6: Final answer
    x = 38,873.95

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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.