Home / 85,474.66-128,217.46-32,884.14

Finding the Fourth Proportional to 85,474.66, 128,217.46 and 32,884.14

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Solution

The fourth proportional to 85,474.66, 128,217.46 and 32,884.14 is: 49,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,474.66 : 128,217.46 = 32,884.14 : x
  2. Step 2: Convert to fraction form
    85,474.66/128,217.46 = 32,884.14/x
  3. Step 3: Cross multiply
    85,474.66x = 128,217.46 × 32,884.14
  4. Step 4: Simplify right side
    85,474.66x = 4,216,320,822.87
  5. Step 5: Solve for x
    x = 4,216,320,822.87/85,474.66
  6. Step 6: Final answer
    x = 49,328.31

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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.