Home / 78,604.26-117,827.60-36,513.92

Finding the Fourth Proportional to 78,604.26, 117,827.60 and 36,513.92

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Solution

The fourth proportional to 78,604.26, 117,827.60 and 36,513.92 is: 54,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,604.26 : 117,827.60 = 36,513.92 : x
  2. Step 2: Convert to fraction form
    78,604.26/117,827.60 = 36,513.92/x
  3. Step 3: Cross multiply
    78,604.26x = 117,827.60 × 36,513.92
  4. Step 4: Simplify right side
    78,604.26x = 4,302,346,788.48
  5. Step 5: Solve for x
    x = 4,302,346,788.48/78,604.26
  6. Step 6: Final answer
    x = 54,734.27

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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.