Home / 85,727.38-128,554.92-32,410.36

Finding the Fourth Proportional to 85,727.38, 128,554.92 and 32,410.36

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Solution

The fourth proportional to 85,727.38, 128,554.92 and 32,410.36 is: 48,601.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,727.38 : 128,554.92 = 32,410.36 : x
  2. Step 2: Convert to fraction form
    85,727.38/128,554.92 = 32,410.36/x
  3. Step 3: Cross multiply
    85,727.38x = 128,554.92 × 32,410.36
  4. Step 4: Simplify right side
    85,727.38x = 4,166,511,236.97
  5. Step 5: Solve for x
    x = 4,166,511,236.97/85,727.38
  6. Step 6: Final answer
    x = 48,601.87

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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.