Home / 84,787.22-117,046.60-53,002.82

Finding the Fourth Proportional to 84,787.22, 117,046.60 and 53,002.82

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Solution

The fourth proportional to 84,787.22, 117,046.60 and 53,002.82 is: 73,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.22 : 117,046.60 = 53,002.82 : x
  2. Step 2: Convert to fraction form
    84,787.22/117,046.60 = 53,002.82/x
  3. Step 3: Cross multiply
    84,787.22x = 117,046.60 × 53,002.82
  4. Step 4: Simplify right side
    84,787.22x = 6,203,799,153.67
  5. Step 5: Solve for x
    x = 6,203,799,153.67/84,787.22
  6. Step 6: Final answer
    x = 73,169.04

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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.