Home / 104,914.68-144,782.03-57,167.92

Finding the Fourth Proportional to 104,914.68, 144,782.03 and 57,167.92

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Solution

The fourth proportional to 104,914.68, 144,782.03 and 57,167.92 is: 78,891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,914.68 : 144,782.03 = 57,167.92 : x
  2. Step 2: Convert to fraction form
    104,914.68/144,782.03 = 57,167.92/x
  3. Step 3: Cross multiply
    104,914.68x = 144,782.03 × 57,167.92
  4. Step 4: Simplify right side
    104,914.68x = 8,276,886,784.57
  5. Step 5: Solve for x
    x = 8,276,886,784.57/104,914.68
  6. Step 6: Final answer
    x = 78,891.60

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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.