Home / 68,721.26-102,993.80-59,799.51

Finding the Fourth Proportional to 68,721.26, 102,993.80 and 59,799.51

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Solution

The fourth proportional to 68,721.26, 102,993.80 and 59,799.51 is: 89,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.26 : 102,993.80 = 59,799.51 : x
  2. Step 2: Convert to fraction form
    68,721.26/102,993.80 = 59,799.51/x
  3. Step 3: Cross multiply
    68,721.26x = 102,993.80 × 59,799.51
  4. Step 4: Simplify right side
    68,721.26x = 6,158,978,881.02
  5. Step 5: Solve for x
    x = 6,158,978,881.02/68,721.26
  6. Step 6: Final answer
    x = 89,622.62

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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.