Home / 102,855.93-141,954.33-57,536.43

Finding the Fourth Proportional to 102,855.93, 141,954.33 and 57,536.43

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Solution

The fourth proportional to 102,855.93, 141,954.33 and 57,536.43 is: 79,407.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.93 : 141,954.33 = 57,536.43 : x
  2. Step 2: Convert to fraction form
    102,855.93/141,954.33 = 57,536.43/x
  3. Step 3: Cross multiply
    102,855.93x = 141,954.33 × 57,536.43
  4. Step 4: Simplify right side
    102,855.93x = 8,167,545,371.24
  5. Step 5: Solve for x
    x = 8,167,545,371.24/102,855.93
  6. Step 6: Final answer
    x = 79,407.63

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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.