Home / 112,403.95-154,936.99-76,093.94

Finding the Fourth Proportional to 112,403.95, 154,936.99 and 76,093.94

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Solution

The fourth proportional to 112,403.95, 154,936.99 and 76,093.94 is: 104,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,403.95 : 154,936.99 = 76,093.94 : x
  2. Step 2: Convert to fraction form
    112,403.95/154,936.99 = 76,093.94/x
  3. Step 3: Cross multiply
    112,403.95x = 154,936.99 × 76,093.94
  4. Step 4: Simplify right side
    112,403.95x = 11,789,766,020.84
  5. Step 5: Solve for x
    x = 11,789,766,020.84/112,403.95
  6. Step 6: Final answer
    x = 104,887.47

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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.