Home / 68,512.52-94,544.34-40,221.32

Finding the Fourth Proportional to 68,512.52, 94,544.34 and 40,221.32

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Solution

The fourth proportional to 68,512.52, 94,544.34 and 40,221.32 is: 55,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,512.52 : 94,544.34 = 40,221.32 : x
  2. Step 2: Convert to fraction form
    68,512.52/94,544.34 = 40,221.32/x
  3. Step 3: Cross multiply
    68,512.52x = 94,544.34 × 40,221.32
  4. Step 4: Simplify right side
    68,512.52x = 3,802,698,153.33
  5. Step 5: Solve for x
    x = 3,802,698,153.33/68,512.52
  6. Step 6: Final answer
    x = 55,503.70

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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.