Home / 78,583.21-108,441.61-44,590.98

Finding the Fourth Proportional to 78,583.21, 108,441.61 and 44,590.98

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Solution

The fourth proportional to 78,583.21, 108,441.61 and 44,590.98 is: 61,533.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,583.21 : 108,441.61 = 44,590.98 : x
  2. Step 2: Convert to fraction form
    78,583.21/108,441.61 = 44,590.98/x
  3. Step 3: Cross multiply
    78,583.21x = 108,441.61 × 44,590.98
  4. Step 4: Simplify right side
    78,583.21x = 4,835,517,778.28
  5. Step 5: Solve for x
    x = 4,835,517,778.28/78,583.21
  6. Step 6: Final answer
    x = 61,533.72

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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.