Home / 68,020.51-102,019.29-48,238.96

Finding the Fourth Proportional to 68,020.51, 102,019.29 and 48,238.96

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Solution

The fourth proportional to 68,020.51, 102,019.29 and 48,238.96 is: 72,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020.51 : 102,019.29 = 48,238.96 : x
  2. Step 2: Convert to fraction form
    68,020.51/102,019.29 = 48,238.96/x
  3. Step 3: Cross multiply
    68,020.51x = 102,019.29 × 48,238.96
  4. Step 4: Simplify right side
    68,020.51x = 4,921,304,449.54
  5. Step 5: Solve for x
    x = 4,921,304,449.54/68,020.51
  6. Step 6: Final answer
    x = 72,350.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.