Home / 103,964.70-143,468.07-58,642.03

Finding the Fourth Proportional to 103,964.70, 143,468.07 and 58,642.03

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Solution

The fourth proportional to 103,964.70, 143,468.07 and 58,642.03 is: 80,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,964.70 : 143,468.07 = 58,642.03 : x
  2. Step 2: Convert to fraction form
    103,964.70/143,468.07 = 58,642.03/x
  3. Step 3: Cross multiply
    103,964.70x = 143,468.07 × 58,642.03
  4. Step 4: Simplify right side
    103,964.70x = 8,413,258,864.98
  5. Step 5: Solve for x
    x = 8,413,258,864.98/103,964.70
  6. Step 6: Final answer
    x = 80,924.19

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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.