Home / 77,273.89-106,640.61-43,283.83

Finding the Fourth Proportional to 77,273.89, 106,640.61 and 43,283.83

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Solution

The fourth proportional to 77,273.89, 106,640.61 and 43,283.83 is: 59,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273.89 : 106,640.61 = 43,283.83 : x
  2. Step 2: Convert to fraction form
    77,273.89/106,640.61 = 43,283.83/x
  3. Step 3: Cross multiply
    77,273.89x = 106,640.61 × 43,283.83
  4. Step 4: Simplify right side
    77,273.89x = 4,615,813,817.92
  5. Step 5: Solve for x
    x = 4,615,813,817.92/77,273.89
  6. Step 6: Final answer
    x = 59,733.16

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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.