Home / 82,665.77-123,995.91-35,918.64

Finding the Fourth Proportional to 82,665.77, 123,995.91 and 35,918.64

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Solution

The fourth proportional to 82,665.77, 123,995.91 and 35,918.64 is: 53,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,665.77 : 123,995.91 = 35,918.64 : x
  2. Step 2: Convert to fraction form
    82,665.77/123,995.91 = 35,918.64/x
  3. Step 3: Cross multiply
    82,665.77x = 123,995.91 × 35,918.64
  4. Step 4: Simplify right side
    82,665.77x = 4,453,764,587.46
  5. Step 5: Solve for x
    x = 4,453,764,587.46/82,665.77
  6. Step 6: Final answer
    x = 53,876.77

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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.