Home / 79,707.30-119,429.72-55,694.04

Finding the Fourth Proportional to 79,707.30, 119,429.72 and 55,694.04

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Solution

The fourth proportional to 79,707.30, 119,429.72 and 55,694.04 is: 83,449.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.30 : 119,429.72 = 55,694.04 : x
  2. Step 2: Convert to fraction form
    79,707.30/119,429.72 = 55,694.04/x
  3. Step 3: Cross multiply
    79,707.30x = 119,429.72 × 55,694.04
  4. Step 4: Simplify right side
    79,707.30x = 6,651,523,602.87
  5. Step 5: Solve for x
    x = 6,651,523,602.87/79,707.30
  6. Step 6: Final answer
    x = 83,449.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.