Home / 85,537.08-128,214.90-32,923.80

Finding the Fourth Proportional to 85,537.08, 128,214.90 and 32,923.80

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Solution

The fourth proportional to 85,537.08, 128,214.90 and 32,923.80 is: 49,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,537.08 : 128,214.90 = 32,923.80 : x
  2. Step 2: Convert to fraction form
    85,537.08/128,214.90 = 32,923.80/x
  3. Step 3: Cross multiply
    85,537.08x = 128,214.90 × 32,923.80
  4. Step 4: Simplify right side
    85,537.08x = 4,221,321,724.62
  5. Step 5: Solve for x
    x = 4,221,321,724.62/85,537.08
  6. Step 6: Final answer
    x = 49,350.78

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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.