Home / 67,073.89-92,541.78-40,206.60

Finding the Fourth Proportional to 67,073.89, 92,541.78 and 40,206.60

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Solution

The fourth proportional to 67,073.89, 92,541.78 and 40,206.60 is: 55,473.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,073.89 : 92,541.78 = 40,206.60 : x
  2. Step 2: Convert to fraction form
    67,073.89/92,541.78 = 40,206.60/x
  3. Step 3: Cross multiply
    67,073.89x = 92,541.78 × 40,206.60
  4. Step 4: Simplify right side
    67,073.89x = 3,720,789,869.04
  5. Step 5: Solve for x
    x = 3,720,789,869.04/67,073.89
  6. Step 6: Final answer
    x = 55,473.00

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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.