Home / 82,485.66-123,553.38-55,848

Finding the Fourth Proportional to 82,485.66, 123,553.38 and 55,848

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Solution

The fourth proportional to 82,485.66, 123,553.38 and 55,848 is: 83,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,485.66 : 123,553.38 = 55,848 : x
  2. Step 2: Convert to fraction form
    82,485.66/123,553.38 = 55,848/x
  3. Step 3: Cross multiply
    82,485.66x = 123,553.38 × 55,848
  4. Step 4: Simplify right side
    82,485.66x = 6,900,209,166.24
  5. Step 5: Solve for x
    x = 6,900,209,166.24/82,485.66
  6. Step 6: Final answer
    x = 83,653.44

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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.