Home / 76,083.29-114,124.98-28,685.51

Finding the Fourth Proportional to 76,083.29, 114,124.98 and 28,685.51

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Solution

The fourth proportional to 76,083.29, 114,124.98 and 28,685.51 is: 43,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,083.29 : 114,124.98 = 28,685.51 : x
  2. Step 2: Convert to fraction form
    76,083.29/114,124.98 = 28,685.51/x
  3. Step 3: Cross multiply
    76,083.29x = 114,124.98 × 28,685.51
  4. Step 4: Simplify right side
    76,083.29x = 3,273,733,255.04
  5. Step 5: Solve for x
    x = 3,273,733,255.04/76,083.29
  6. Step 6: Final answer
    x = 43,028.28

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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.