Home / 76,240.26-114,292.26-38,779.38

Finding the Fourth Proportional to 76,240.26, 114,292.26 and 38,779.38

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Solution

The fourth proportional to 76,240.26, 114,292.26 and 38,779.38 is: 58,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,240.26 : 114,292.26 = 38,779.38 : x
  2. Step 2: Convert to fraction form
    76,240.26/114,292.26 = 38,779.38/x
  3. Step 3: Cross multiply
    76,240.26x = 114,292.26 × 38,779.38
  4. Step 4: Simplify right side
    76,240.26x = 4,432,182,981.60
  5. Step 5: Solve for x
    x = 4,432,182,981.60/76,240.26
  6. Step 6: Final answer
    x = 58,134.42

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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.