Home / 83,268.09-114,905.75-51,439.77

Finding the Fourth Proportional to 83,268.09, 114,905.75 and 51,439.77

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Solution

The fourth proportional to 83,268.09, 114,905.75 and 51,439.77 is: 70,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268.09 : 114,905.75 = 51,439.77 : x
  2. Step 2: Convert to fraction form
    83,268.09/114,905.75 = 51,439.77/x
  3. Step 3: Cross multiply
    83,268.09x = 114,905.75 × 51,439.77
  4. Step 4: Simplify right side
    83,268.09x = 5,910,725,094.48
  5. Step 5: Solve for x
    x = 5,910,725,094.48/83,268.09
  6. Step 6: Final answer
    x = 70,984.28

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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.