Home / 104,178.09-143,757.23-58,860

Finding the Fourth Proportional to 104,178.09, 143,757.23 and 58,860

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Solution

The fourth proportional to 104,178.09, 143,757.23 and 58,860 is: 81,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,178.09 : 143,757.23 = 58,860 : x
  2. Step 2: Convert to fraction form
    104,178.09/143,757.23 = 58,860/x
  3. Step 3: Cross multiply
    104,178.09x = 143,757.23 × 58,860
  4. Step 4: Simplify right side
    104,178.09x = 8,461,550,263.50
  5. Step 5: Solve for x
    x = 8,461,550,263.50/104,178.09
  6. Step 6: Final answer
    x = 81,221.98

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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.