Home / 74,564.50-111,812.20-27,804.82

Finding the Fourth Proportional to 74,564.50, 111,812.20 and 27,804.82

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Solution

The fourth proportional to 74,564.50, 111,812.20 and 27,804.82 is: 41,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.50 : 111,812.20 = 27,804.82 : x
  2. Step 2: Convert to fraction form
    74,564.50/111,812.20 = 27,804.82/x
  3. Step 3: Cross multiply
    74,564.50x = 111,812.20 × 27,804.82
  4. Step 4: Simplify right side
    74,564.50x = 3,108,918,094.80
  5. Step 5: Solve for x
    x = 3,108,918,094.80/74,564.50
  6. Step 6: Final answer
    x = 41,694.35

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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.