Home / 68,356.94-94,340.72-40,062.60

Finding the Fourth Proportional to 68,356.94, 94,340.72 and 40,062.60

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Solution

The fourth proportional to 68,356.94, 94,340.72 and 40,062.60 is: 55,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,356.94 : 94,340.72 = 40,062.60 : x
  2. Step 2: Convert to fraction form
    68,356.94/94,340.72 = 40,062.60/x
  3. Step 3: Cross multiply
    68,356.94x = 94,340.72 × 40,062.60
  4. Step 4: Simplify right side
    68,356.94x = 3,779,534,629.23
  5. Step 5: Solve for x
    x = 3,779,534,629.23/68,356.94
  6. Step 6: Final answer
    x = 55,291.17

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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.