Home / 77,212.05-106,565.37-52,993.11

Finding the Fourth Proportional to 77,212.05, 106,565.37 and 52,993.11

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Solution

The fourth proportional to 77,212.05, 106,565.37 and 52,993.11 is: 73,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.05 : 106,565.37 = 52,993.11 : x
  2. Step 2: Convert to fraction form
    77,212.05/106,565.37 = 52,993.11/x
  3. Step 3: Cross multiply
    77,212.05x = 106,565.37 × 52,993.11
  4. Step 4: Simplify right side
    77,212.05x = 5,647,230,161.98
  5. Step 5: Solve for x
    x = 5,647,230,161.98/77,212.05
  6. Step 6: Final answer
    x = 73,139.24

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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.