Home / 68,865.58-95,090.52-56,120.64

Finding the Fourth Proportional to 68,865.58, 95,090.52 and 56,120.64

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Solution

The fourth proportional to 68,865.58, 95,090.52 and 56,120.64 is: 77,492.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,865.58 : 95,090.52 = 56,120.64 : x
  2. Step 2: Convert to fraction form
    68,865.58/95,090.52 = 56,120.64/x
  3. Step 3: Cross multiply
    68,865.58x = 95,090.52 × 56,120.64
  4. Step 4: Simplify right side
    68,865.58x = 5,336,540,840.33
  5. Step 5: Solve for x
    x = 5,336,540,840.33/68,865.58
  6. Step 6: Final answer
    x = 77,492.14

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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.