Home / 75,168.59-103,728.94-41,177.21

Finding the Fourth Proportional to 75,168.59, 103,728.94 and 41,177.21

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Solution

The fourth proportional to 75,168.59, 103,728.94 and 41,177.21 is: 56,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168.59 : 103,728.94 = 41,177.21 : x
  2. Step 2: Convert to fraction form
    75,168.59/103,728.94 = 41,177.21/x
  3. Step 3: Cross multiply
    75,168.59x = 103,728.94 × 41,177.21
  4. Step 4: Simplify right side
    75,168.59x = 4,271,268,501.84
  5. Step 5: Solve for x
    x = 4,271,268,501.84/75,168.59
  6. Step 6: Final answer
    x = 56,822.52

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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.