Home / 68,813.76-94,940.52-40,126.92

Finding the Fourth Proportional to 68,813.76, 94,940.52 and 40,126.92

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Solution

The fourth proportional to 68,813.76, 94,940.52 and 40,126.92 is: 55,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.76 : 94,940.52 = 40,126.92 : x
  2. Step 2: Convert to fraction form
    68,813.76/94,940.52 = 40,126.92/x
  3. Step 3: Cross multiply
    68,813.76x = 94,940.52 × 40,126.92
  4. Step 4: Simplify right side
    68,813.76x = 3,809,670,650.80
  5. Step 5: Solve for x
    x = 3,809,670,650.80/68,813.76
  6. Step 6: Final answer
    x = 55,362.05

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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.