Home / 85,069.29-127,474.59-40,634.85

Finding the Fourth Proportional to 85,069.29, 127,474.59 and 40,634.85

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Solution

The fourth proportional to 85,069.29, 127,474.59 and 40,634.85 is: 60,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.29 : 127,474.59 = 40,634.85 : x
  2. Step 2: Convert to fraction form
    85,069.29/127,474.59 = 40,634.85/x
  3. Step 3: Cross multiply
    85,069.29x = 127,474.59 × 40,634.85
  4. Step 4: Simplify right side
    85,069.29x = 5,179,910,843.46
  5. Step 5: Solve for x
    x = 5,179,910,843.46/85,069.29
  6. Step 6: Final answer
    x = 60,890.49

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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.