Home / 104,251.21-143,868.89-58,926.49

Finding the Fourth Proportional to 104,251.21, 143,868.89 and 58,926.49

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Solution

The fourth proportional to 104,251.21, 143,868.89 and 58,926.49 is: 81,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,251.21 : 143,868.89 = 58,926.49 : x
  2. Step 2: Convert to fraction form
    104,251.21/143,868.89 = 58,926.49/x
  3. Step 3: Cross multiply
    104,251.21x = 143,868.89 × 58,926.49
  4. Step 4: Simplify right side
    104,251.21x = 8,477,689,281.66
  5. Step 5: Solve for x
    x = 8,477,689,281.66/104,251.21
  6. Step 6: Final answer
    x = 81,319.81

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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.