Home / 68,362.32-94,325.90-39,285.05

Finding the Fourth Proportional to 68,362.32, 94,325.90 and 39,285.05

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Solution

The fourth proportional to 68,362.32, 94,325.90 and 39,285.05 is: 54,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362.32 : 94,325.90 = 39,285.05 : x
  2. Step 2: Convert to fraction form
    68,362.32/94,325.90 = 39,285.05/x
  3. Step 3: Cross multiply
    68,362.32x = 94,325.90 × 39,285.05
  4. Step 4: Simplify right side
    68,362.32x = 3,705,597,737.18
  5. Step 5: Solve for x
    x = 3,705,597,737.18/68,362.32
  6. Step 6: Final answer
    x = 54,205.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.