Home / 57,269.39-85,439.08-54,169.32

Finding the Fourth Proportional to 57,269.39, 85,439.08 and 54,169.32

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Solution

The fourth proportional to 57,269.39, 85,439.08 and 54,169.32 is: 80,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,269.39 : 85,439.08 = 54,169.32 : x
  2. Step 2: Convert to fraction form
    57,269.39/85,439.08 = 54,169.32/x
  3. Step 3: Cross multiply
    57,269.39x = 85,439.08 × 54,169.32
  4. Step 4: Simplify right side
    57,269.39x = 4,628,176,865.03
  5. Step 5: Solve for x
    x = 4,628,176,865.03/57,269.39
  6. Step 6: Final answer
    x = 80,814.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.