Home / 68,396.10-102,557.70-28,908.60

Finding the Fourth Proportional to 68,396.10, 102,557.70 and 28,908.60

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Solution

The fourth proportional to 68,396.10, 102,557.70 and 28,908.60 is: 43,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,396.10 : 102,557.70 = 28,908.60 : x
  2. Step 2: Convert to fraction form
    68,396.10/102,557.70 = 28,908.60/x
  3. Step 3: Cross multiply
    68,396.10x = 102,557.70 × 28,908.60
  4. Step 4: Simplify right side
    68,396.10x = 2,964,799,526.22
  5. Step 5: Solve for x
    x = 2,964,799,526.22/68,396.10
  6. Step 6: Final answer
    x = 43,347.49

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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.