Home / 68,310.56-94,271.44-40,012.32

Finding the Fourth Proportional to 68,310.56, 94,271.44 and 40,012.32

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Solution

The fourth proportional to 68,310.56, 94,271.44 and 40,012.32 is: 55,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,310.56 : 94,271.44 = 40,012.32 : x
  2. Step 2: Convert to fraction form
    68,310.56/94,271.44 = 40,012.32/x
  3. Step 3: Cross multiply
    68,310.56x = 94,271.44 × 40,012.32
  4. Step 4: Simplify right side
    68,310.56x = 3,772,019,024.14
  5. Step 5: Solve for x
    x = 3,772,019,024.14/68,310.56
  6. Step 6: Final answer
    x = 55,218.68

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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.