Home / 82,126.53-123,030.01-53,961.01

Finding the Fourth Proportional to 82,126.53, 123,030.01 and 53,961.01

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Solution

The fourth proportional to 82,126.53, 123,030.01 and 53,961.01 is: 80,836.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,126.53 : 123,030.01 = 53,961.01 : x
  2. Step 2: Convert to fraction form
    82,126.53/123,030.01 = 53,961.01/x
  3. Step 3: Cross multiply
    82,126.53x = 123,030.01 × 53,961.01
  4. Step 4: Simplify right side
    82,126.53x = 6,638,823,359.79
  5. Step 5: Solve for x
    x = 6,638,823,359.79/82,126.53
  6. Step 6: Final answer
    x = 80,836.53

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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.