Home / 104,880.08-144,732.84-57,134

Finding the Fourth Proportional to 104,880.08, 144,732.84 and 57,134

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Solution

The fourth proportional to 104,880.08, 144,732.84 and 57,134 is: 78,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,880.08 : 144,732.84 = 57,134 : x
  2. Step 2: Convert to fraction form
    104,880.08/144,732.84 = 57,134/x
  3. Step 3: Cross multiply
    104,880.08x = 144,732.84 × 57,134
  4. Step 4: Simplify right side
    104,880.08x = 8,269,166,080.56
  5. Step 5: Solve for x
    x = 8,269,166,080.56/104,880.08
  6. Step 6: Final answer
    x = 78,844.01

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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.