Home / 79,626.36-119,355.72-40,100.44

Finding the Fourth Proportional to 79,626.36, 119,355.72 and 40,100.44

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Solution

The fourth proportional to 79,626.36, 119,355.72 and 40,100.44 is: 60,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,626.36 : 119,355.72 = 40,100.44 : x
  2. Step 2: Convert to fraction form
    79,626.36/119,355.72 = 40,100.44/x
  3. Step 3: Cross multiply
    79,626.36x = 119,355.72 × 40,100.44
  4. Step 4: Simplify right side
    79,626.36x = 4,786,216,888.52
  5. Step 5: Solve for x
    x = 4,786,216,888.52/79,626.36
  6. Step 6: Final answer
    x = 60,108.45

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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.