Home / 121,403.44-167,536.92-70,425.82

Finding the Fourth Proportional to 121,403.44, 167,536.92 and 70,425.82

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Solution

The fourth proportional to 121,403.44, 167,536.92 and 70,425.82 is: 97,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,403.44 : 167,536.92 = 70,425.82 : x
  2. Step 2: Convert to fraction form
    121,403.44/167,536.92 = 70,425.82/x
  3. Step 3: Cross multiply
    121,403.44x = 167,536.92 × 70,425.82
  4. Step 4: Simplify right side
    121,403.44x = 11,798,924,971.27
  5. Step 5: Solve for x
    x = 11,798,924,971.27/121,403.44
  6. Step 6: Final answer
    x = 97,187.73

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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.