Home / 89,118.30-133,694.30-35,814.43

Finding the Fourth Proportional to 89,118.30, 133,694.30 and 35,814.43

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Solution

The fourth proportional to 89,118.30, 133,694.30 and 35,814.43 is: 53,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,118.30 : 133,694.30 = 35,814.43 : x
  2. Step 2: Convert to fraction form
    89,118.30/133,694.30 = 35,814.43/x
  3. Step 3: Cross multiply
    89,118.30x = 133,694.30 × 35,814.43
  4. Step 4: Simplify right side
    89,118.30x = 4,788,185,148.75
  5. Step 5: Solve for x
    x = 4,788,185,148.75/89,118.30
  6. Step 6: Final answer
    x = 53,728.42

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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.