Home / 89,625.68-134,290.60-52,080.36

Finding the Fourth Proportional to 89,625.68, 134,290.60 and 52,080.36

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Solution

The fourth proportional to 89,625.68, 134,290.60 and 52,080.36 is: 78,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625.68 : 134,290.60 = 52,080.36 : x
  2. Step 2: Convert to fraction form
    89,625.68/134,290.60 = 52,080.36/x
  3. Step 3: Cross multiply
    89,625.68x = 134,290.60 × 52,080.36
  4. Step 4: Simplify right side
    89,625.68x = 6,993,902,792.62
  5. Step 5: Solve for x
    x = 6,993,902,792.62/89,625.68
  6. Step 6: Final answer
    x = 78,034.59

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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.