Home / 78,841.58-118,296.98-41,392.94

Finding the Fourth Proportional to 78,841.58, 118,296.98 and 41,392.94

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Solution

The fourth proportional to 78,841.58, 118,296.98 and 41,392.94 is: 62,107.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,841.58 : 118,296.98 = 41,392.94 : x
  2. Step 2: Convert to fraction form
    78,841.58/118,296.98 = 41,392.94/x
  3. Step 3: Cross multiply
    78,841.58x = 118,296.98 × 41,392.94
  4. Step 4: Simplify right side
    78,841.58x = 4,896,658,996.87
  5. Step 5: Solve for x
    x = 4,896,658,996.87/78,841.58
  6. Step 6: Final answer
    x = 62,107.57

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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.