Home / 85,367.04-128,066.94-32,772.36

Finding the Fourth Proportional to 85,367.04, 128,066.94 and 32,772.36

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Solution

The fourth proportional to 85,367.04, 128,066.94 and 32,772.36 is: 49,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,367.04 : 128,066.94 = 32,772.36 : x
  2. Step 2: Convert to fraction form
    85,367.04/128,066.94 = 32,772.36/x
  3. Step 3: Cross multiply
    85,367.04x = 128,066.94 × 32,772.36
  4. Step 4: Simplify right side
    85,367.04x = 4,197,055,861.78
  5. Step 5: Solve for x
    x = 4,197,055,861.78/85,367.04
  6. Step 6: Final answer
    x = 49,164.83

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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.