Home / 75,940.16-104,794.08-42,405.44

Finding the Fourth Proportional to 75,940.16, 104,794.08 and 42,405.44

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Solution

The fourth proportional to 75,940.16, 104,794.08 and 42,405.44 is: 58,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,940.16 : 104,794.08 = 42,405.44 : x
  2. Step 2: Convert to fraction form
    75,940.16/104,794.08 = 42,405.44/x
  3. Step 3: Cross multiply
    75,940.16x = 104,794.08 × 42,405.44
  4. Step 4: Simplify right side
    75,940.16x = 4,443,839,071.80
  5. Step 5: Solve for x
    x = 4,443,839,071.80/75,940.16
  6. Step 6: Final answer
    x = 58,517.64

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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.