Home / 124,913.75-172,383.41-68,326.34

Finding the Fourth Proportional to 124,913.75, 172,383.41 and 68,326.34

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Solution

The fourth proportional to 124,913.75, 172,383.41 and 68,326.34 is: 94,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.75 : 172,383.41 = 68,326.34 : x
  2. Step 2: Convert to fraction form
    124,913.75/172,383.41 = 68,326.34/x
  3. Step 3: Cross multiply
    124,913.75x = 172,383.41 × 68,326.34
  4. Step 4: Simplify right side
    124,913.75x = 11,778,327,140.39
  5. Step 5: Solve for x
    x = 11,778,327,140.39/124,913.75
  6. Step 6: Final answer
    x = 94,291.68

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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.