Home / 49,128.08-67,728.09-41,543.98

Finding the Fourth Proportional to 49,128.08, 67,728.09 and 41,543.98

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Solution

The fourth proportional to 49,128.08, 67,728.09 and 41,543.98 is: 57,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,128.08 : 67,728.09 = 41,543.98 : x
  2. Step 2: Convert to fraction form
    49,128.08/67,728.09 = 41,543.98/x
  3. Step 3: Cross multiply
    49,128.08x = 67,728.09 × 41,543.98
  4. Step 4: Simplify right side
    49,128.08x = 2,813,694,402.87
  5. Step 5: Solve for x
    x = 2,813,694,402.87/49,128.08
  6. Step 6: Final answer
    x = 57,272.64

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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.