Home / 104,787.08-144,563.46-64,488.68

Finding the Fourth Proportional to 104,787.08, 144,563.46 and 64,488.68

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Solution

The fourth proportional to 104,787.08, 144,563.46 and 64,488.68 is: 88,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,787.08 : 144,563.46 = 64,488.68 : x
  2. Step 2: Convert to fraction form
    104,787.08/144,563.46 = 64,488.68/x
  3. Step 3: Cross multiply
    104,787.08x = 144,563.46 × 64,488.68
  4. Step 4: Simplify right side
    104,787.08x = 9,322,706,711.63
  5. Step 5: Solve for x
    x = 9,322,706,711.63/104,787.08
  6. Step 6: Final answer
    x = 88,968.09

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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.