Home / 87,583.44-119,989.76-84,303.42

Finding the Fourth Proportional to 87,583.44, 119,989.76 and 84,303.42

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Solution

The fourth proportional to 87,583.44, 119,989.76 and 84,303.42 is: 115,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,583.44 : 119,989.76 = 84,303.42 : x
  2. Step 2: Convert to fraction form
    87,583.44/119,989.76 = 84,303.42/x
  3. Step 3: Cross multiply
    87,583.44x = 119,989.76 × 84,303.42
  4. Step 4: Simplify right side
    87,583.44x = 10,115,546,711.46
  5. Step 5: Solve for x
    x = 10,115,546,711.46/87,583.44
  6. Step 6: Final answer
    x = 115,496.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.