Home / 85,317.30-127,992.35-32,722.79

Finding the Fourth Proportional to 85,317.30, 127,992.35 and 32,722.79

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Solution

The fourth proportional to 85,317.30, 127,992.35 and 32,722.79 is: 49,090.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,317.30 : 127,992.35 = 32,722.79 : x
  2. Step 2: Convert to fraction form
    85,317.30/127,992.35 = 32,722.79/x
  3. Step 3: Cross multiply
    85,317.30x = 127,992.35 × 32,722.79
  4. Step 4: Simplify right side
    85,317.30x = 4,188,266,232.50
  5. Step 5: Solve for x
    x = 4,188,266,232.50/85,317.30
  6. Step 6: Final answer
    x = 49,090.47

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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.