Home / 75,127.08-103,676.72-41,135.64

Finding the Fourth Proportional to 75,127.08, 103,676.72 and 41,135.64

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Solution

The fourth proportional to 75,127.08, 103,676.72 and 41,135.64 is: 56,767.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,127.08 : 103,676.72 = 41,135.64 : x
  2. Step 2: Convert to fraction form
    75,127.08/103,676.72 = 41,135.64/x
  3. Step 3: Cross multiply
    75,127.08x = 103,676.72 × 41,135.64
  4. Step 4: Simplify right side
    75,127.08x = 4,264,808,230.30
  5. Step 5: Solve for x
    x = 4,264,808,230.30/75,127.08
  6. Step 6: Final answer
    x = 56,767.92

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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.