Home / 68,736.42-94,902.75-42,934.41

Finding the Fourth Proportional to 68,736.42, 94,902.75 and 42,934.41

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Solution

The fourth proportional to 68,736.42, 94,902.75 and 42,934.41 is: 59,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,736.42 : 94,902.75 = 42,934.41 : x
  2. Step 2: Convert to fraction form
    68,736.42/94,902.75 = 42,934.41/x
  3. Step 3: Cross multiply
    68,736.42x = 94,902.75 × 42,934.41
  4. Step 4: Simplify right side
    68,736.42x = 4,074,593,578.63
  5. Step 5: Solve for x
    x = 4,074,593,578.63/68,736.42
  6. Step 6: Final answer
    x = 59,278.52

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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.