Home / 77,371.10-106,818.70-50,558.48

Finding the Fourth Proportional to 77,371.10, 106,818.70 and 50,558.48

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Solution

The fourth proportional to 77,371.10, 106,818.70 and 50,558.48 is: 69,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,371.10 : 106,818.70 = 50,558.48 : x
  2. Step 2: Convert to fraction form
    77,371.10/106,818.70 = 50,558.48/x
  3. Step 3: Cross multiply
    77,371.10x = 106,818.70 × 50,558.48
  4. Step 4: Simplify right side
    77,371.10x = 5,400,590,942.45
  5. Step 5: Solve for x
    x = 5,400,590,942.45/77,371.10
  6. Step 6: Final answer
    x = 69,801.14

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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.