Home / 79,409.12-119,112.94-35,035.90

Finding the Fourth Proportional to 79,409.12, 119,112.94 and 35,035.90

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Solution

The fourth proportional to 79,409.12, 119,112.94 and 35,035.90 is: 52,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,409.12 : 119,112.94 = 35,035.90 : x
  2. Step 2: Convert to fraction form
    79,409.12/119,112.94 = 35,035.90/x
  3. Step 3: Cross multiply
    79,409.12x = 119,112.94 × 35,035.90
  4. Step 4: Simplify right side
    79,409.12x = 4,173,229,054.55
  5. Step 5: Solve for x
    x = 4,173,229,054.55/79,409.12
  6. Step 6: Final answer
    x = 52,553.52

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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.