Home / 124,579.44-171,920.88-67,991.76

Finding the Fourth Proportional to 124,579.44, 171,920.88 and 67,991.76

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Solution

The fourth proportional to 124,579.44, 171,920.88 and 67,991.76 is: 93,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,579.44 : 171,920.88 = 67,991.76 : x
  2. Step 2: Convert to fraction form
    124,579.44/171,920.88 = 67,991.76/x
  3. Step 3: Cross multiply
    124,579.44x = 171,920.88 × 67,991.76
  4. Step 4: Simplify right side
    124,579.44x = 11,689,203,211.95
  5. Step 5: Solve for x
    x = 11,689,203,211.95/124,579.44
  6. Step 6: Final answer
    x = 93,829.31

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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.