Home / 68,142.80-94,036.38-37,927.64

Finding the Fourth Proportional to 68,142.80, 94,036.38 and 37,927.64

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Solution

The fourth proportional to 68,142.80, 94,036.38 and 37,927.64 is: 52,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142.80 : 94,036.38 = 37,927.64 : x
  2. Step 2: Convert to fraction form
    68,142.80/94,036.38 = 37,927.64/x
  3. Step 3: Cross multiply
    68,142.80x = 94,036.38 × 37,927.64
  4. Step 4: Simplify right side
    68,142.80x = 3,566,577,967.54
  5. Step 5: Solve for x
    x = 3,566,577,967.54/68,142.80
  6. Step 6: Final answer
    x = 52,339.76

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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.