Home / 125,042.48-172,558.64-68,453.86

Finding the Fourth Proportional to 125,042.48, 172,558.64 and 68,453.86

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Solution

The fourth proportional to 125,042.48, 172,558.64 and 68,453.86 is: 94,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,042.48 : 172,558.64 = 68,453.86 : x
  2. Step 2: Convert to fraction form
    125,042.48/172,558.64 = 68,453.86/x
  3. Step 3: Cross multiply
    125,042.48x = 172,558.64 × 68,453.86
  4. Step 4: Simplify right side
    125,042.48x = 11,812,304,662.58
  5. Step 5: Solve for x
    x = 11,812,304,662.58/125,042.48
  6. Step 6: Final answer
    x = 94,466.33

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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.