Home / 118,962.98-164,177.56-67,974.54

Finding the Fourth Proportional to 118,962.98, 164,177.56 and 67,974.54

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Solution

The fourth proportional to 118,962.98, 164,177.56 and 67,974.54 is: 93,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,962.98 : 164,177.56 = 67,974.54 : x
  2. Step 2: Convert to fraction form
    118,962.98/164,177.56 = 67,974.54/x
  3. Step 3: Cross multiply
    118,962.98x = 164,177.56 × 67,974.54
  4. Step 4: Simplify right side
    118,962.98x = 11,159,893,672.64
  5. Step 5: Solve for x
    x = 11,159,893,672.64/118,962.98
  6. Step 6: Final answer
    x = 93,809.81

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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.