Home / 121,914.49-168,238.17-67,463.37

Finding the Fourth Proportional to 121,914.49, 168,238.17 and 67,463.37

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Solution

The fourth proportional to 121,914.49, 168,238.17 and 67,463.37 is: 93,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,914.49 : 168,238.17 = 67,463.37 : x
  2. Step 2: Convert to fraction form
    121,914.49/168,238.17 = 67,463.37/x
  3. Step 3: Cross multiply
    121,914.49x = 168,238.17 × 67,463.37
  4. Step 4: Simplify right side
    121,914.49x = 11,349,913,910.83
  5. Step 5: Solve for x
    x = 11,349,913,910.83/121,914.49
  6. Step 6: Final answer
    x = 93,097.33

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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.