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Finding the Fourth Proportional to 79,725.36, 119,505.99 and 35,373

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Solution

The fourth proportional to 79,725.36, 119,505.99 and 35,373 is: 53,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,725.36 : 119,505.99 = 35,373 : x
  2. Step 2: Convert to fraction form
    79,725.36/119,505.99 = 35,373/x
  3. Step 3: Cross multiply
    79,725.36x = 119,505.99 × 35,373
  4. Step 4: Simplify right side
    79,725.36x = 4,227,285,384.27
  5. Step 5: Solve for x
    x = 4,227,285,384.27/79,725.36
  6. Step 6: Final answer
    x = 53,023.10

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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.