Home / 104,134.82-143,705.81-58,810.66

Finding the Fourth Proportional to 104,134.82, 143,705.81 and 58,810.66

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Solution

The fourth proportional to 104,134.82, 143,705.81 and 58,810.66 is: 81,158.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,134.82 : 143,705.81 = 58,810.66 : x
  2. Step 2: Convert to fraction form
    104,134.82/143,705.81 = 58,810.66/x
  3. Step 3: Cross multiply
    104,134.82x = 143,705.81 × 58,810.66
  4. Step 4: Simplify right side
    104,134.82x = 8,451,433,319.70
  5. Step 5: Solve for x
    x = 8,451,433,319.70/104,134.82
  6. Step 6: Final answer
    x = 81,158.58

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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.