Home / 76,081.29-114,121.98-28,683.51

Finding the Fourth Proportional to 76,081.29, 114,121.98 and 28,683.51

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Solution

The fourth proportional to 76,081.29, 114,121.98 and 28,683.51 is: 43,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081.29 : 114,121.98 = 28,683.51 : x
  2. Step 2: Convert to fraction form
    76,081.29/114,121.98 = 28,683.51/x
  3. Step 3: Cross multiply
    76,081.29x = 114,121.98 × 28,683.51
  4. Step 4: Simplify right side
    76,081.29x = 3,273,418,954.55
  5. Step 5: Solve for x
    x = 3,273,418,954.55/76,081.29
  6. Step 6: Final answer
    x = 43,025.28

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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.