Home / 119,121.44-164,391-67,434.52

Finding the Fourth Proportional to 119,121.44, 164,391 and 67,434.52

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Solution

The fourth proportional to 119,121.44, 164,391 and 67,434.52 is: 93,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,121.44 : 164,391 = 67,434.52 : x
  2. Step 2: Convert to fraction form
    119,121.44/164,391 = 67,434.52/x
  3. Step 3: Cross multiply
    119,121.44x = 164,391 × 67,434.52
  4. Step 4: Simplify right side
    119,121.44x = 11,085,628,177.32
  5. Step 5: Solve for x
    x = 11,085,628,177.32/119,121.44
  6. Step 6: Final answer
    x = 93,061.57

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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.