Home / 116,845.51-175,423.94-79,021.85

Finding the Fourth Proportional to 116,845.51, 175,423.94 and 79,021.85

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Solution

The fourth proportional to 116,845.51, 175,423.94 and 79,021.85 is: 118,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845.51 : 175,423.94 = 79,021.85 : x
  2. Step 2: Convert to fraction form
    116,845.51/175,423.94 = 79,021.85/x
  3. Step 3: Cross multiply
    116,845.51x = 175,423.94 × 79,021.85
  4. Step 4: Simplify right side
    116,845.51x = 13,862,323,658.70
  5. Step 5: Solve for x
    x = 13,862,323,658.70/116,845.51
  6. Step 6: Final answer
    x = 118,638.05

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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.