Home / 78,267.60-117,194.04-41,253.84

Finding the Fourth Proportional to 78,267.60, 117,194.04 and 41,253.84

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Solution

The fourth proportional to 78,267.60, 117,194.04 and 41,253.84 is: 61,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,267.60 : 117,194.04 = 41,253.84 : x
  2. Step 2: Convert to fraction form
    78,267.60/117,194.04 = 41,253.84/x
  3. Step 3: Cross multiply
    78,267.60x = 117,194.04 × 41,253.84
  4. Step 4: Simplify right side
    78,267.60x = 4,834,704,175.11
  5. Step 5: Solve for x
    x = 4,834,704,175.11/78,267.60
  6. Step 6: Final answer
    x = 61,771.46

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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.