Home / 103,675.20-143,071.62-58,353.51

Finding the Fourth Proportional to 103,675.20, 143,071.62 and 58,353.51

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Solution

The fourth proportional to 103,675.20, 143,071.62 and 58,353.51 is: 80,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675.20 : 143,071.62 = 58,353.51 : x
  2. Step 2: Convert to fraction form
    103,675.20/143,071.62 = 58,353.51/x
  3. Step 3: Cross multiply
    103,675.20x = 143,071.62 × 58,353.51
  4. Step 4: Simplify right side
    103,675.20x = 8,348,731,208.39
  5. Step 5: Solve for x
    x = 8,348,731,208.39/103,675.20
  6. Step 6: Final answer
    x = 80,527.76

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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.