Home / 68,585.44-94,650.60-40,290.88

Finding the Fourth Proportional to 68,585.44, 94,650.60 and 40,290.88

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Solution

The fourth proportional to 68,585.44, 94,650.60 and 40,290.88 is: 55,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.44 : 94,650.60 = 40,290.88 : x
  2. Step 2: Convert to fraction form
    68,585.44/94,650.60 = 40,290.88/x
  3. Step 3: Cross multiply
    68,585.44x = 94,650.60 × 40,290.88
  4. Step 4: Simplify right side
    68,585.44x = 3,813,555,966.53
  5. Step 5: Solve for x
    x = 3,813,555,966.53/68,585.44
  6. Step 6: Final answer
    x = 55,603.00

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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.