Home / 79,774.38-119,682.23-35,390.43

Finding the Fourth Proportional to 79,774.38, 119,682.23 and 35,390.43

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Solution

The fourth proportional to 79,774.38, 119,682.23 and 35,390.43 is: 53,094.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,774.38 : 119,682.23 = 35,390.43 : x
  2. Step 2: Convert to fraction form
    79,774.38/119,682.23 = 35,390.43/x
  3. Step 3: Cross multiply
    79,774.38x = 119,682.23 × 35,390.43
  4. Step 4: Simplify right side
    79,774.38x = 4,235,605,406.11
  5. Step 5: Solve for x
    x = 4,235,605,406.11/79,774.38
  6. Step 6: Final answer
    x = 53,094.81

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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.