Home / 119,073.90-164,309.49-68,099.94

Finding the Fourth Proportional to 119,073.90, 164,309.49 and 68,099.94

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Solution

The fourth proportional to 119,073.90, 164,309.49 and 68,099.94 is: 93,970.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,073.90 : 164,309.49 = 68,099.94 : x
  2. Step 2: Convert to fraction form
    119,073.90/164,309.49 = 68,099.94/x
  3. Step 3: Cross multiply
    119,073.90x = 164,309.49 × 68,099.94
  4. Step 4: Simplify right side
    119,073.90x = 11,189,466,410.43
  5. Step 5: Solve for x
    x = 11,189,466,410.43/119,073.90
  6. Step 6: Final answer
    x = 93,970.77

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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.