Home / 82,929.99-114,372.96-70,072.26

Finding the Fourth Proportional to 82,929.99, 114,372.96 and 70,072.26

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Solution

The fourth proportional to 82,929.99, 114,372.96 and 70,072.26 is: 96,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,929.99 : 114,372.96 = 70,072.26 : x
  2. Step 2: Convert to fraction form
    82,929.99/114,372.96 = 70,072.26/x
  3. Step 3: Cross multiply
    82,929.99x = 114,372.96 × 70,072.26
  4. Step 4: Simplify right side
    82,929.99x = 8,014,371,790.09
  5. Step 5: Solve for x
    x = 8,014,371,790.09/82,929.99
  6. Step 6: Final answer
    x = 96,640.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.