Home / 102,559.50-141,536.97-57,847.50

Finding the Fourth Proportional to 102,559.50, 141,536.97 and 57,847.50

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Solution

The fourth proportional to 102,559.50, 141,536.97 and 57,847.50 is: 79,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,559.50 : 141,536.97 = 57,847.50 : x
  2. Step 2: Convert to fraction form
    102,559.50/141,536.97 = 57,847.50/x
  3. Step 3: Cross multiply
    102,559.50x = 141,536.97 × 57,847.50
  4. Step 4: Simplify right side
    102,559.50x = 8,187,559,872.08
  5. Step 5: Solve for x
    x = 8,187,559,872.08/102,559.50
  6. Step 6: Final answer
    x = 79,832.29

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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.