Home / 76,472.07-114,745.65-34,381.86

Finding the Fourth Proportional to 76,472.07, 114,745.65 and 34,381.86

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Solution

The fourth proportional to 76,472.07, 114,745.65 and 34,381.86 is: 51,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,472.07 : 114,745.65 = 34,381.86 : x
  2. Step 2: Convert to fraction form
    76,472.07/114,745.65 = 34,381.86/x
  3. Step 3: Cross multiply
    76,472.07x = 114,745.65 × 34,381.86
  4. Step 4: Simplify right side
    76,472.07x = 3,945,168,873.91
  5. Step 5: Solve for x
    x = 3,945,168,873.91/76,472.07
  6. Step 6: Final answer
    x = 51,589.67

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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.