Home / 67,005.20-92,510.44-41,538.78

Finding the Fourth Proportional to 67,005.20, 92,510.44 and 41,538.78

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Solution

The fourth proportional to 67,005.20, 92,510.44 and 41,538.78 is: 57,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,005.20 : 92,510.44 = 41,538.78 : x
  2. Step 2: Convert to fraction form
    67,005.20/92,510.44 = 41,538.78/x
  3. Step 3: Cross multiply
    67,005.20x = 92,510.44 × 41,538.78
  4. Step 4: Simplify right side
    67,005.20x = 3,842,770,814.86
  5. Step 5: Solve for x
    x = 3,842,770,814.86/67,005.20
  6. Step 6: Final answer
    x = 57,350.34

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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.