Home / 67,214.36-92,757.08-38,936.40

Finding the Fourth Proportional to 67,214.36, 92,757.08 and 38,936.40

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Solution

The fourth proportional to 67,214.36, 92,757.08 and 38,936.40 is: 53,732.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,214.36 : 92,757.08 = 38,936.40 : x
  2. Step 2: Convert to fraction form
    67,214.36/92,757.08 = 38,936.40/x
  3. Step 3: Cross multiply
    67,214.36x = 92,757.08 × 38,936.40
  4. Step 4: Simplify right side
    67,214.36x = 3,611,626,769.71
  5. Step 5: Solve for x
    x = 3,611,626,769.71/67,214.36
  6. Step 6: Final answer
    x = 53,732.96

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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.