Home / 76,035.40-114,020.48-26,120.52

Finding the Fourth Proportional to 76,035.40, 114,020.48 and 26,120.52

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Solution

The fourth proportional to 76,035.40, 114,020.48 and 26,120.52 is: 39,169.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.40 : 114,020.48 = 26,120.52 : x
  2. Step 2: Convert to fraction form
    76,035.40/114,020.48 = 26,120.52/x
  3. Step 3: Cross multiply
    76,035.40x = 114,020.48 × 26,120.52
  4. Step 4: Simplify right side
    76,035.40x = 2,978,274,228.25
  5. Step 5: Solve for x
    x = 2,978,274,228.25/76,035.40
  6. Step 6: Final answer
    x = 39,169.57

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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.