Home / 78,095.20-117,125.24-35,934.84

Finding the Fourth Proportional to 78,095.20, 117,125.24 and 35,934.84

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Solution

The fourth proportional to 78,095.20, 117,125.24 and 35,934.84 is: 53,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,095.20 : 117,125.24 = 35,934.84 : x
  2. Step 2: Convert to fraction form
    78,095.20/117,125.24 = 35,934.84/x
  3. Step 3: Cross multiply
    78,095.20x = 117,125.24 × 35,934.84
  4. Step 4: Simplify right side
    78,095.20x = 4,208,876,759.36
  5. Step 5: Solve for x
    x = 4,208,876,759.36/78,095.20
  6. Step 6: Final answer
    x = 53,894.18

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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.