Home / 79,310.19-118,996.43-34,905.80

Finding the Fourth Proportional to 79,310.19, 118,996.43 and 34,905.80

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Solution

The fourth proportional to 79,310.19, 118,996.43 and 34,905.80 is: 52,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,310.19 : 118,996.43 = 34,905.80 : x
  2. Step 2: Convert to fraction form
    79,310.19/118,996.43 = 34,905.80/x
  3. Step 3: Cross multiply
    79,310.19x = 118,996.43 × 34,905.80
  4. Step 4: Simplify right side
    79,310.19x = 4,153,664,816.78
  5. Step 5: Solve for x
    x = 4,153,664,816.78/79,310.19
  6. Step 6: Final answer
    x = 52,372.40

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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.