Home / 102,536.22-141,500.32-57,213.37

Finding the Fourth Proportional to 102,536.22, 141,500.32 and 57,213.37

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Solution

The fourth proportional to 102,536.22, 141,500.32 and 57,213.37 is: 78,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,536.22 : 141,500.32 = 57,213.37 : x
  2. Step 2: Convert to fraction form
    102,536.22/141,500.32 = 57,213.37/x
  3. Step 3: Cross multiply
    102,536.22x = 141,500.32 × 57,213.37
  4. Step 4: Simplify right side
    102,536.22x = 8,095,710,163.28
  5. Step 5: Solve for x
    x = 8,095,710,163.28/102,536.22
  6. Step 6: Final answer
    x = 78,954.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.