Home / 67,785.89-93,552.26-40,928.38

Finding the Fourth Proportional to 67,785.89, 93,552.26 and 40,928.38

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Solution

The fourth proportional to 67,785.89, 93,552.26 and 40,928.38 is: 56,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,785.89 : 93,552.26 = 40,928.38 : x
  2. Step 2: Convert to fraction form
    67,785.89/93,552.26 = 40,928.38/x
  3. Step 3: Cross multiply
    67,785.89x = 93,552.26 × 40,928.38
  4. Step 4: Simplify right side
    67,785.89x = 3,828,942,008.62
  5. Step 5: Solve for x
    x = 3,828,942,008.62/67,785.89
  6. Step 6: Final answer
    x = 56,485.83

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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.