Home / 116,835.51-175,408.64-79,011.86

Finding the Fourth Proportional to 116,835.51, 175,408.64 and 79,011.86

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Solution

The fourth proportional to 116,835.51, 175,408.64 and 79,011.86 is: 118,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,835.51 : 175,408.64 = 79,011.86 : x
  2. Step 2: Convert to fraction form
    116,835.51/175,408.64 = 79,011.86/x
  3. Step 3: Cross multiply
    116,835.51x = 175,408.64 × 79,011.86
  4. Step 4: Simplify right side
    116,835.51x = 13,859,361,930.66
  5. Step 5: Solve for x
    x = 13,859,361,930.66/116,835.51
  6. Step 6: Final answer
    x = 118,622.85

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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.