Home / 106,787.10-147,369.24-59,043.51

Finding the Fourth Proportional to 106,787.10, 147,369.24 and 59,043.51

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Solution

The fourth proportional to 106,787.10, 147,369.24 and 59,043.51 is: 81,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.10 : 147,369.24 = 59,043.51 : x
  2. Step 2: Convert to fraction form
    106,787.10/147,369.24 = 59,043.51/x
  3. Step 3: Cross multiply
    106,787.10x = 147,369.24 × 59,043.51
  4. Step 4: Simplify right side
    106,787.10x = 8,701,197,195.63
  5. Step 5: Solve for x
    x = 8,701,197,195.63/106,787.10
  6. Step 6: Final answer
    x = 81,481.73

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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.