Home / 88,855.26-133,216.89-53,786.70

Finding the Fourth Proportional to 88,855.26, 133,216.89 and 53,786.70

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Solution

The fourth proportional to 88,855.26, 133,216.89 and 53,786.70 is: 80,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,855.26 : 133,216.89 = 53,786.70 : x
  2. Step 2: Convert to fraction form
    88,855.26/133,216.89 = 53,786.70/x
  3. Step 3: Cross multiply
    88,855.26x = 133,216.89 × 53,786.70
  4. Step 4: Simplify right side
    88,855.26x = 7,165,296,897.36
  5. Step 5: Solve for x
    x = 7,165,296,897.36/88,855.26
  6. Step 6: Final answer
    x = 80,640.10

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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.