Home / 79,283.14-118,942.20-23,127.64

Finding the Fourth Proportional to 79,283.14, 118,942.20 and 23,127.64

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Solution

The fourth proportional to 79,283.14, 118,942.20 and 23,127.64 is: 34,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.14 : 118,942.20 = 23,127.64 : x
  2. Step 2: Convert to fraction form
    79,283.14/118,942.20 = 23,127.64/x
  3. Step 3: Cross multiply
    79,283.14x = 118,942.20 × 23,127.64
  4. Step 4: Simplify right side
    79,283.14x = 2,750,852,382.41
  5. Step 5: Solve for x
    x = 2,750,852,382.41/79,283.14
  6. Step 6: Final answer
    x = 34,696.56

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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.