Home / 68,014.38-102,005.37-28,572.26

Finding the Fourth Proportional to 68,014.38, 102,005.37 and 28,572.26

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Solution

The fourth proportional to 68,014.38, 102,005.37 and 28,572.26 is: 42,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.38 : 102,005.37 = 28,572.26 : x
  2. Step 2: Convert to fraction form
    68,014.38/102,005.37 = 28,572.26/x
  3. Step 3: Cross multiply
    68,014.38x = 102,005.37 × 28,572.26
  4. Step 4: Simplify right side
    68,014.38x = 2,914,523,953.04
  5. Step 5: Solve for x
    x = 2,914,523,953.04/68,014.38
  6. Step 6: Final answer
    x = 42,851.58

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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.