Home / 96,139.58-132,671.89-55,876.94

Finding the Fourth Proportional to 96,139.58, 132,671.89 and 55,876.94

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Solution

The fourth proportional to 96,139.58, 132,671.89 and 55,876.94 is: 77,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,139.58 : 132,671.89 = 55,876.94 : x
  2. Step 2: Convert to fraction form
    96,139.58/132,671.89 = 55,876.94/x
  3. Step 3: Cross multiply
    96,139.58x = 132,671.89 × 55,876.94
  4. Step 4: Simplify right side
    96,139.58x = 7,413,299,237.22
  5. Step 5: Solve for x
    x = 7,413,299,237.22/96,139.58
  6. Step 6: Final answer
    x = 77,109.75

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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.