Home / 68,303.61-94,268.24-40,020.57

Finding the Fourth Proportional to 68,303.61, 94,268.24 and 40,020.57

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Solution

The fourth proportional to 68,303.61, 94,268.24 and 40,020.57 is: 55,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,303.61 : 94,268.24 = 40,020.57 : x
  2. Step 2: Convert to fraction form
    68,303.61/94,268.24 = 40,020.57/x
  3. Step 3: Cross multiply
    68,303.61x = 94,268.24 × 40,020.57
  4. Step 4: Simplify right side
    68,303.61x = 3,772,668,497.59
  5. Step 5: Solve for x
    x = 3,772,668,497.59/68,303.61
  6. Step 6: Final answer
    x = 55,233.81

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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.