Home / 68,289.32-94,245.46-41,438.64

Finding the Fourth Proportional to 68,289.32, 94,245.46 and 41,438.64

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Solution

The fourth proportional to 68,289.32, 94,245.46 and 41,438.64 is: 57,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.32 : 94,245.46 = 41,438.64 : x
  2. Step 2: Convert to fraction form
    68,289.32/94,245.46 = 41,438.64/x
  3. Step 3: Cross multiply
    68,289.32x = 94,245.46 × 41,438.64
  4. Step 4: Simplify right side
    68,289.32x = 3,905,403,688.57
  5. Step 5: Solve for x
    x = 3,905,403,688.57/68,289.32
  6. Step 6: Final answer
    x = 57,189.08

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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.