Home / 68,228.02-102,311.01-28,763.59

Finding the Fourth Proportional to 68,228.02, 102,311.01 and 28,763.59

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Solution

The fourth proportional to 68,228.02, 102,311.01 and 28,763.59 is: 43,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.02 : 102,311.01 = 28,763.59 : x
  2. Step 2: Convert to fraction form
    68,228.02/102,311.01 = 28,763.59/x
  3. Step 3: Cross multiply
    68,228.02x = 102,311.01 × 28,763.59
  4. Step 4: Simplify right side
    68,228.02x = 2,942,831,944.13
  5. Step 5: Solve for x
    x = 2,942,831,944.13/68,228.02
  6. Step 6: Final answer
    x = 43,132.31

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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.