Home / 84,022.44-115,949.57-45,782.45

Finding the Fourth Proportional to 84,022.44, 115,949.57 and 45,782.45

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Solution

The fourth proportional to 84,022.44, 115,949.57 and 45,782.45 is: 63,179.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.44 : 115,949.57 = 45,782.45 : x
  2. Step 2: Convert to fraction form
    84,022.44/115,949.57 = 45,782.45/x
  3. Step 3: Cross multiply
    84,022.44x = 115,949.57 × 45,782.45
  4. Step 4: Simplify right side
    84,022.44x = 5,308,454,582.39
  5. Step 5: Solve for x
    x = 5,308,454,582.39/84,022.44
  6. Step 6: Final answer
    x = 63,179.01

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1.5x scale

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.