Home / 104,089.92-143,644.05-56,343.66

Finding the Fourth Proportional to 104,089.92, 143,644.05 and 56,343.66

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Solution

The fourth proportional to 104,089.92, 143,644.05 and 56,343.66 is: 77,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.92 : 143,644.05 = 56,343.66 : x
  2. Step 2: Convert to fraction form
    104,089.92/143,644.05 = 56,343.66/x
  3. Step 3: Cross multiply
    104,089.92x = 143,644.05 × 56,343.66
  4. Step 4: Simplify right side
    104,089.92x = 8,093,431,514.22
  5. Step 5: Solve for x
    x = 8,093,431,514.22/104,089.92
  6. Step 6: Final answer
    x = 77,754.23

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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.