Home / 75,154.61-103,709.66-41,163.25

Finding the Fourth Proportional to 75,154.61, 103,709.66 and 41,163.25

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Solution

The fourth proportional to 75,154.61, 103,709.66 and 41,163.25 is: 56,803.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,154.61 : 103,709.66 = 41,163.25 : x
  2. Step 2: Convert to fraction form
    75,154.61/103,709.66 = 41,163.25/x
  3. Step 3: Cross multiply
    75,154.61x = 103,709.66 × 41,163.25
  4. Step 4: Simplify right side
    75,154.61x = 4,269,025,937.63
  5. Step 5: Solve for x
    x = 4,269,025,937.63/75,154.61
  6. Step 6: Final answer
    x = 56,803.25

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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.