Home / 84,633.73-127,039.93-82,727.39

Finding the Fourth Proportional to 84,633.73, 127,039.93 and 82,727.39

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Solution

The fourth proportional to 84,633.73, 127,039.93 and 82,727.39 is: 124,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.73 : 127,039.93 = 82,727.39 : x
  2. Step 2: Convert to fraction form
    84,633.73/127,039.93 = 82,727.39/x
  3. Step 3: Cross multiply
    84,633.73x = 127,039.93 × 82,727.39
  4. Step 4: Simplify right side
    84,633.73x = 10,509,681,945.46
  5. Step 5: Solve for x
    x = 10,509,681,945.46/84,633.73
  6. Step 6: Final answer
    x = 124,178.41

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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.