Home / 78,395.10-108,194.04-44,405.88

Finding the Fourth Proportional to 78,395.10, 108,194.04 and 44,405.88

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Solution

The fourth proportional to 78,395.10, 108,194.04 and 44,405.88 is: 61,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,395.10 : 108,194.04 = 44,405.88 : x
  2. Step 2: Convert to fraction form
    78,395.10/108,194.04 = 44,405.88/x
  3. Step 3: Cross multiply
    78,395.10x = 108,194.04 × 44,405.88
  4. Step 4: Simplify right side
    78,395.10x = 4,804,451,556.96
  5. Step 5: Solve for x
    x = 4,804,451,556.96/78,395.10
  6. Step 6: Final answer
    x = 61,285.10

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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.