Home / 125,042.31-172,558.44-68,453.67

Finding the Fourth Proportional to 125,042.31, 172,558.44 and 68,453.67

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Solution

The fourth proportional to 125,042.31, 172,558.44 and 68,453.67 is: 94,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,042.31 : 172,558.44 = 68,453.67 : x
  2. Step 2: Convert to fraction form
    125,042.31/172,558.44 = 68,453.67/x
  3. Step 3: Cross multiply
    125,042.31x = 172,558.44 × 68,453.67
  4. Step 4: Simplify right side
    125,042.31x = 11,812,258,507.47
  5. Step 5: Solve for x
    x = 11,812,258,507.47/125,042.31
  6. Step 6: Final answer
    x = 94,466.09

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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.