Home / 78,768.83-108,696.65-44,772.59

Finding the Fourth Proportional to 78,768.83, 108,696.65 and 44,772.59

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Solution

The fourth proportional to 78,768.83, 108,696.65 and 44,772.59 is: 61,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,768.83 : 108,696.65 = 44,772.59 : x
  2. Step 2: Convert to fraction form
    78,768.83/108,696.65 = 44,772.59/x
  3. Step 3: Cross multiply
    78,768.83x = 108,696.65 × 44,772.59
  4. Step 4: Simplify right side
    78,768.83x = 4,866,630,592.70
  5. Step 5: Solve for x
    x = 4,866,630,592.70/78,768.83
  6. Step 6: Final answer
    x = 61,783.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.