Home / 85,079.25-127,589.06-25,091.79

Finding the Fourth Proportional to 85,079.25, 127,589.06 and 25,091.79

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Solution

The fourth proportional to 85,079.25, 127,589.06 and 25,091.79 is: 37,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,079.25 : 127,589.06 = 25,091.79 : x
  2. Step 2: Convert to fraction form
    85,079.25/127,589.06 = 25,091.79/x
  3. Step 3: Cross multiply
    85,079.25x = 127,589.06 × 25,091.79
  4. Step 4: Simplify right side
    85,079.25x = 3,201,437,484.09
  5. Step 5: Solve for x
    x = 3,201,437,484.09/85,079.25
  6. Step 6: Final answer
    x = 37,628.89

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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.