Home / 76,286.44-114,282.06-42,905.08

Finding the Fourth Proportional to 76,286.44, 114,282.06 and 42,905.08

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Solution

The fourth proportional to 76,286.44, 114,282.06 and 42,905.08 is: 64,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286.44 : 114,282.06 = 42,905.08 : x
  2. Step 2: Convert to fraction form
    76,286.44/114,282.06 = 42,905.08/x
  3. Step 3: Cross multiply
    76,286.44x = 114,282.06 × 42,905.08
  4. Step 4: Simplify right side
    76,286.44x = 4,903,280,926.86
  5. Step 5: Solve for x
    x = 4,903,280,926.86/76,286.44
  6. Step 6: Final answer
    x = 64,274.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.