Home / 76,176.42-114,202.28-28,764.61

Finding the Fourth Proportional to 76,176.42, 114,202.28 and 28,764.61

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Solution

The fourth proportional to 76,176.42, 114,202.28 and 28,764.61 is: 43,123.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.42 : 114,202.28 = 28,764.61 : x
  2. Step 2: Convert to fraction form
    76,176.42/114,202.28 = 28,764.61/x
  3. Step 3: Cross multiply
    76,176.42x = 114,202.28 × 28,764.61
  4. Step 4: Simplify right side
    76,176.42x = 3,284,984,117.22
  5. Step 5: Solve for x
    x = 3,284,984,117.22/76,176.42
  6. Step 6: Final answer
    x = 43,123.38

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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.