Home / 68,935.61-103,371.12-28,946.06

Finding the Fourth Proportional to 68,935.61, 103,371.12 and 28,946.06

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Solution

The fourth proportional to 68,935.61, 103,371.12 and 28,946.06 is: 43,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.61 : 103,371.12 = 28,946.06 : x
  2. Step 2: Convert to fraction form
    68,935.61/103,371.12 = 28,946.06/x
  3. Step 3: Cross multiply
    68,935.61x = 103,371.12 × 28,946.06
  4. Step 4: Simplify right side
    68,935.61x = 2,992,186,566.85
  5. Step 5: Solve for x
    x = 2,992,186,566.85/68,935.61
  6. Step 6: Final answer
    x = 43,405.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.