Home / 68,808.22-94,948.16-40,120.25

Finding the Fourth Proportional to 68,808.22, 94,948.16 and 40,120.25

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Solution

The fourth proportional to 68,808.22, 94,948.16 and 40,120.25 is: 55,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,808.22 : 94,948.16 = 40,120.25 : x
  2. Step 2: Convert to fraction form
    68,808.22/94,948.16 = 40,120.25/x
  3. Step 3: Cross multiply
    68,808.22x = 94,948.16 × 40,120.25
  4. Step 4: Simplify right side
    68,808.22x = 3,809,343,240.90
  5. Step 5: Solve for x
    x = 3,809,343,240.90/68,808.22
  6. Step 6: Final answer
    x = 55,361.75

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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.