Home / 111,895.63-167,910.82-40,824.51

Finding the Fourth Proportional to 111,895.63, 167,910.82 and 40,824.51

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Solution

The fourth proportional to 111,895.63, 167,910.82 and 40,824.51 is: 61,261.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,895.63 : 167,910.82 = 40,824.51 : x
  2. Step 2: Convert to fraction form
    111,895.63/167,910.82 = 40,824.51/x
  3. Step 3: Cross multiply
    111,895.63x = 167,910.82 × 40,824.51
  4. Step 4: Simplify right side
    111,895.63x = 6,854,876,218.47
  5. Step 5: Solve for x
    x = 6,854,876,218.47/111,895.63
  6. Step 6: Final answer
    x = 61,261.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.