Home / 113,887.20-170,976.60-60,621.60

Finding the Fourth Proportional to 113,887.20, 170,976.60 and 60,621.60

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Solution

The fourth proportional to 113,887.20, 170,976.60 and 60,621.60 is: 91,010.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,887.20 : 170,976.60 = 60,621.60 : x
  2. Step 2: Convert to fraction form
    113,887.20/170,976.60 = 60,621.60/x
  3. Step 3: Cross multiply
    113,887.20x = 170,976.60 × 60,621.60
  4. Step 4: Simplify right side
    113,887.20x = 10,364,875,054.56
  5. Step 5: Solve for x
    x = 10,364,875,054.56/113,887.20
  6. Step 6: Final answer
    x = 91,010.01

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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.