Home / 82,688.11-123,876.09-48,853.17

Finding the Fourth Proportional to 82,688.11, 123,876.09 and 48,853.17

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Solution

The fourth proportional to 82,688.11, 123,876.09 and 48,853.17 is: 73,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,688.11 : 123,876.09 = 48,853.17 : x
  2. Step 2: Convert to fraction form
    82,688.11/123,876.09 = 48,853.17/x
  3. Step 3: Cross multiply
    82,688.11x = 123,876.09 × 48,853.17
  4. Step 4: Simplify right side
    82,688.11x = 6,051,739,268.24
  5. Step 5: Solve for x
    x = 6,051,739,268.24/82,688.11
  6. Step 6: Final answer
    x = 73,187.54

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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.