Home / 68,721.08-94,818.66-40,023.32

Finding the Fourth Proportional to 68,721.08, 94,818.66 and 40,023.32

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Solution

The fourth proportional to 68,721.08, 94,818.66 and 40,023.32 is: 55,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.08 : 94,818.66 = 40,023.32 : x
  2. Step 2: Convert to fraction form
    68,721.08/94,818.66 = 40,023.32/x
  3. Step 3: Cross multiply
    68,721.08x = 94,818.66 × 40,023.32
  4. Step 4: Simplify right side
    68,721.08x = 3,794,957,571.15
  5. Step 5: Solve for x
    x = 3,794,957,571.15/68,721.08
  6. Step 6: Final answer
    x = 55,222.61

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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.