Home / 67,153.81-92,667.68-38,863.75

Finding the Fourth Proportional to 67,153.81, 92,667.68 and 38,863.75

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Solution

The fourth proportional to 67,153.81, 92,667.68 and 38,863.75 is: 53,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153.81 : 92,667.68 = 38,863.75 : x
  2. Step 2: Convert to fraction form
    67,153.81/92,667.68 = 38,863.75/x
  3. Step 3: Cross multiply
    67,153.81x = 92,667.68 × 38,863.75
  4. Step 4: Simplify right side
    67,153.81x = 3,601,413,548.60
  5. Step 5: Solve for x
    x = 3,601,413,548.60/67,153.81
  6. Step 6: Final answer
    x = 53,629.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.