Home / 113,772.60-170,647.06-30,661.56

Finding the Fourth Proportional to 113,772.60, 170,647.06 and 30,661.56

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Solution

The fourth proportional to 113,772.60, 170,647.06 and 30,661.56 is: 45,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,772.60 : 170,647.06 = 30,661.56 : x
  2. Step 2: Convert to fraction form
    113,772.60/170,647.06 = 30,661.56/x
  3. Step 3: Cross multiply
    113,772.60x = 170,647.06 × 30,661.56
  4. Step 4: Simplify right side
    113,772.60x = 5,232,305,069.01
  5. Step 5: Solve for x
    x = 5,232,305,069.01/113,772.60
  6. Step 6: Final answer
    x = 45,989.15

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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.