Home / 96,078.79-144,205.64-51,137.88

Finding the Fourth Proportional to 96,078.79, 144,205.64 and 51,137.88

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Solution

The fourth proportional to 96,078.79, 144,205.64 and 51,137.88 is: 76,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,078.79 : 144,205.64 = 51,137.88 : x
  2. Step 2: Convert to fraction form
    96,078.79/144,205.64 = 51,137.88/x
  3. Step 3: Cross multiply
    96,078.79x = 144,205.64 × 51,137.88
  4. Step 4: Simplify right side
    96,078.79x = 7,374,370,769.46
  5. Step 5: Solve for x
    x = 7,374,370,769.46/96,078.79
  6. Step 6: Final answer
    x = 76,753.37

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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.