Home / 113,774.22-170,564.94-47,172.78

Finding the Fourth Proportional to 113,774.22, 170,564.94 and 47,172.78

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Solution

The fourth proportional to 113,774.22, 170,564.94 and 47,172.78 is: 70,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,774.22 : 170,564.94 = 47,172.78 : x
  2. Step 2: Convert to fraction form
    113,774.22/170,564.94 = 47,172.78/x
  3. Step 3: Cross multiply
    113,774.22x = 170,564.94 × 47,172.78
  4. Step 4: Simplify right side
    113,774.22x = 8,046,022,390.33
  5. Step 5: Solve for x
    x = 8,046,022,390.33/113,774.22
  6. Step 6: Final answer
    x = 70,719.21

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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.