Home / 85,533.26-128,305.16-32,942.79

Finding the Fourth Proportional to 85,533.26, 128,305.16 and 32,942.79

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Solution

The fourth proportional to 85,533.26, 128,305.16 and 32,942.79 is: 49,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.26 : 128,305.16 = 32,942.79 : x
  2. Step 2: Convert to fraction form
    85,533.26/128,305.16 = 32,942.79/x
  3. Step 3: Cross multiply
    85,533.26x = 128,305.16 × 32,942.79
  4. Step 4: Simplify right side
    85,533.26x = 4,226,729,777.08
  5. Step 5: Solve for x
    x = 4,226,729,777.08/85,533.26
  6. Step 6: Final answer
    x = 49,416.22

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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.