Home / 82,658.44-123,999.35-26,485.42

Finding the Fourth Proportional to 82,658.44, 123,999.35 and 26,485.42

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Solution

The fourth proportional to 82,658.44, 123,999.35 and 26,485.42 is: 39,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,658.44 : 123,999.35 = 26,485.42 : x
  2. Step 2: Convert to fraction form
    82,658.44/123,999.35 = 26,485.42/x
  3. Step 3: Cross multiply
    82,658.44x = 123,999.35 × 26,485.42
  4. Step 4: Simplify right side
    82,658.44x = 3,284,174,864.48
  5. Step 5: Solve for x
    x = 3,284,174,864.48/82,658.44
  6. Step 6: Final answer
    x = 39,731.88

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1.5x scale

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.