Home / 105,671.07-158,417.76-49,481.57

Finding the Fourth Proportional to 105,671.07, 158,417.76 and 49,481.57

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Solution

The fourth proportional to 105,671.07, 158,417.76 and 49,481.57 is: 74,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,671.07 : 158,417.76 = 49,481.57 : x
  2. Step 2: Convert to fraction form
    105,671.07/158,417.76 = 49,481.57/x
  3. Step 3: Cross multiply
    105,671.07x = 158,417.76 × 49,481.57
  4. Step 4: Simplify right side
    105,671.07x = 7,838,759,480.68
  5. Step 5: Solve for x
    x = 7,838,759,480.68/105,671.07
  6. Step 6: Final answer
    x = 74,180.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.