Home / 76,390.18-114,509.91-32,029.54

Finding the Fourth Proportional to 76,390.18, 114,509.91 and 32,029.54

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Solution

The fourth proportional to 76,390.18, 114,509.91 and 32,029.54 is: 48,012.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,390.18 : 114,509.91 = 32,029.54 : x
  2. Step 2: Convert to fraction form
    76,390.18/114,509.91 = 32,029.54/x
  3. Step 3: Cross multiply
    76,390.18x = 114,509.91 × 32,029.54
  4. Step 4: Simplify right side
    76,390.18x = 3,667,699,742.74
  5. Step 5: Solve for x
    x = 3,667,699,742.74/76,390.18
  6. Step 6: Final answer
    x = 48,012.71

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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.