Home / 79,903.07-110,219.67-51,212.51

Finding the Fourth Proportional to 79,903.07, 110,219.67 and 51,212.51

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Solution

The fourth proportional to 79,903.07, 110,219.67 and 51,212.51 is: 70,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.07 : 110,219.67 = 51,212.51 : x
  2. Step 2: Convert to fraction form
    79,903.07/110,219.67 = 51,212.51/x
  3. Step 3: Cross multiply
    79,903.07x = 110,219.67 × 51,212.51
  4. Step 4: Simplify right side
    79,903.07x = 5,644,625,400.97
  5. Step 5: Solve for x
    x = 5,644,625,400.97/79,903.07
  6. Step 6: Final answer
    x = 70,643.42

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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.