Home / 121,913.49-168,236.79-67,462.37

Finding the Fourth Proportional to 121,913.49, 168,236.79 and 67,462.37

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Solution

The fourth proportional to 121,913.49, 168,236.79 and 67,462.37 is: 93,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,913.49 : 168,236.79 = 67,462.37 : x
  2. Step 2: Convert to fraction form
    121,913.49/168,236.79 = 67,462.37/x
  3. Step 3: Cross multiply
    121,913.49x = 168,236.79 × 67,462.37
  4. Step 4: Simplify right side
    121,913.49x = 11,349,651,733.41
  5. Step 5: Solve for x
    x = 11,349,651,733.41/121,913.49
  6. Step 6: Final answer
    x = 93,095.95

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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.