Home / 83,012.46-114,420.60-58,821.54

Finding the Fourth Proportional to 83,012.46, 114,420.60 and 58,821.54

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Solution

The fourth proportional to 83,012.46, 114,420.60 and 58,821.54 is: 81,076.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,012.46 : 114,420.60 = 58,821.54 : x
  2. Step 2: Convert to fraction form
    83,012.46/114,420.60 = 58,821.54/x
  3. Step 3: Cross multiply
    83,012.46x = 114,420.60 × 58,821.54
  4. Step 4: Simplify right side
    83,012.46x = 6,730,395,899.72
  5. Step 5: Solve for x
    x = 6,730,395,899.72/83,012.46
  6. Step 6: Final answer
    x = 81,076.94

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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.