Home / 122,313.90-168,802.43-67,876.37

Finding the Fourth Proportional to 122,313.90, 168,802.43 and 67,876.37

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Solution

The fourth proportional to 122,313.90, 168,802.43 and 67,876.37 is: 93,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,313.90 : 168,802.43 = 67,876.37 : x
  2. Step 2: Convert to fraction form
    122,313.90/168,802.43 = 67,876.37/x
  3. Step 3: Cross multiply
    122,313.90x = 168,802.43 × 67,876.37
  4. Step 4: Simplify right side
    122,313.90x = 11,457,696,195.58
  5. Step 5: Solve for x
    x = 11,457,696,195.58/122,313.90
  6. Step 6: Final answer
    x = 93,674.52

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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.