Home / 84,917.02-117,155.61-50,936.51

Finding the Fourth Proportional to 84,917.02, 117,155.61 and 50,936.51

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Solution

The fourth proportional to 84,917.02, 117,155.61 and 50,936.51 is: 70,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,917.02 : 117,155.61 = 50,936.51 : x
  2. Step 2: Convert to fraction form
    84,917.02/117,155.61 = 50,936.51/x
  3. Step 3: Cross multiply
    84,917.02x = 117,155.61 × 50,936.51
  4. Step 4: Simplify right side
    84,917.02x = 5,967,497,900.32
  5. Step 5: Solve for x
    x = 5,967,497,900.32/84,917.02
  6. Step 6: Final answer
    x = 70,274.46

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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.