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Finding the Fourth Proportional to 76,039.79, 104,947.93 and 44,227.14

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Solution

The fourth proportional to 76,039.79, 104,947.93 and 44,227.14 is: 61,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039.79 : 104,947.93 = 44,227.14 : x
  2. Step 2: Convert to fraction form
    76,039.79/104,947.93 = 44,227.14/x
  3. Step 3: Cross multiply
    76,039.79x = 104,947.93 × 44,227.14
  4. Step 4: Simplify right side
    76,039.79x = 4,641,546,792.82
  5. Step 5: Solve for x
    x = 4,641,546,792.82/76,039.79
  6. Step 6: Final answer
    x = 61,041.03

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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.