Home / 79,823.88-119,554.56-61,910.76

Finding the Fourth Proportional to 79,823.88, 119,554.56 and 61,910.76

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Solution

The fourth proportional to 79,823.88, 119,554.56 and 61,910.76 is: 92,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,823.88 : 119,554.56 = 61,910.76 : x
  2. Step 2: Convert to fraction form
    79,823.88/119,554.56 = 61,910.76/x
  3. Step 3: Cross multiply
    79,823.88x = 119,554.56 × 61,910.76
  4. Step 4: Simplify right side
    79,823.88x = 7,401,713,671.07
  5. Step 5: Solve for x
    x = 7,401,713,671.07/79,823.88
  6. Step 6: Final answer
    x = 92,725.56

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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.