Home / 79,135.56-118,554.18-61,519.80

Finding the Fourth Proportional to 79,135.56, 118,554.18 and 61,519.80

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Solution

The fourth proportional to 79,135.56, 118,554.18 and 61,519.80 is: 92,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135.56 : 118,554.18 = 61,519.80 : x
  2. Step 2: Convert to fraction form
    79,135.56/118,554.18 = 61,519.80/x
  3. Step 3: Cross multiply
    79,135.56x = 118,554.18 × 61,519.80
  4. Step 4: Simplify right side
    79,135.56x = 7,293,429,442.76
  5. Step 5: Solve for x
    x = 7,293,429,442.76/79,135.56
  6. Step 6: Final answer
    x = 92,163.74

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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.