Home / 79,047.36-118,604.32-34,651.20

Finding the Fourth Proportional to 79,047.36, 118,604.32 and 34,651.20

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Solution

The fourth proportional to 79,047.36, 118,604.32 and 34,651.20 is: 51,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,047.36 : 118,604.32 = 34,651.20 : x
  2. Step 2: Convert to fraction form
    79,047.36/118,604.32 = 34,651.20/x
  3. Step 3: Cross multiply
    79,047.36x = 118,604.32 × 34,651.20
  4. Step 4: Simplify right side
    79,047.36x = 4,109,782,013.18
  5. Step 5: Solve for x
    x = 4,109,782,013.18/79,047.36
  6. Step 6: Final answer
    x = 51,991.39

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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.