Home / 77,157-106,476.66-43,629.48

Finding the Fourth Proportional to 77,157, 106,476.66 and 43,629.48

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Solution

The fourth proportional to 77,157, 106,476.66 and 43,629.48 is: 60,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,157 : 106,476.66 = 43,629.48 : x
  2. Step 2: Convert to fraction form
    77,157/106,476.66 = 43,629.48/x
  3. Step 3: Cross multiply
    77,157x = 106,476.66 × 43,629.48
  4. Step 4: Simplify right side
    77,157x = 4,645,521,307.94
  5. Step 5: Solve for x
    x = 4,645,521,307.94/77,157
  6. Step 6: Final answer
    x = 60,208.68

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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.