Home / 76,051.60-114,085.22-28,706.57

Finding the Fourth Proportional to 76,051.60, 114,085.22 and 28,706.57

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Solution

The fourth proportional to 76,051.60, 114,085.22 and 28,706.57 is: 43,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,051.60 : 114,085.22 = 28,706.57 : x
  2. Step 2: Convert to fraction form
    76,051.60/114,085.22 = 28,706.57/x
  3. Step 3: Cross multiply
    76,051.60x = 114,085.22 × 28,706.57
  4. Step 4: Simplify right side
    76,051.60x = 3,274,995,425.66
  5. Step 5: Solve for x
    x = 3,274,995,425.66/76,051.60
  6. Step 6: Final answer
    x = 43,062.81

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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.