Home / 125,406.09-173,063.39-71,696.14

Finding the Fourth Proportional to 125,406.09, 173,063.39 and 71,696.14

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Solution

The fourth proportional to 125,406.09, 173,063.39 and 71,696.14 is: 98,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,406.09 : 173,063.39 = 71,696.14 : x
  2. Step 2: Convert to fraction form
    125,406.09/173,063.39 = 71,696.14/x
  3. Step 3: Cross multiply
    125,406.09x = 173,063.39 × 71,696.14
  4. Step 4: Simplify right side
    125,406.09x = 12,407,976,247.18
  5. Step 5: Solve for x
    x = 12,407,976,247.18/125,406.09
  6. Step 6: Final answer
    x = 98,942.37

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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.