Home / 85,346.26-128,056.28-32,743.44

Finding the Fourth Proportional to 85,346.26, 128,056.28 and 32,743.44

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Solution

The fourth proportional to 85,346.26, 128,056.28 and 32,743.44 is: 49,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,346.26 : 128,056.28 = 32,743.44 : x
  2. Step 2: Convert to fraction form
    85,346.26/128,056.28 = 32,743.44/x
  3. Step 3: Cross multiply
    85,346.26x = 128,056.28 × 32,743.44
  4. Step 4: Simplify right side
    85,346.26x = 4,193,002,957.09
  5. Step 5: Solve for x
    x = 4,193,002,957.09/85,346.26
  6. Step 6: Final answer
    x = 49,129.31

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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.