Home / 116,621.80-160,935.78-63,629.80

Finding the Fourth Proportional to 116,621.80, 160,935.78 and 63,629.80

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Solution

The fourth proportional to 116,621.80, 160,935.78 and 63,629.80 is: 87,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,621.80 : 160,935.78 = 63,629.80 : x
  2. Step 2: Convert to fraction form
    116,621.80/160,935.78 = 63,629.80/x
  3. Step 3: Cross multiply
    116,621.80x = 160,935.78 × 63,629.80
  4. Step 4: Simplify right side
    116,621.80x = 10,240,311,494.24
  5. Step 5: Solve for x
    x = 10,240,311,494.24/116,621.80
  6. Step 6: Final answer
    x = 87,807.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.