Home / 74,748.12-103,147.50-41,214.36

Finding the Fourth Proportional to 74,748.12, 103,147.50 and 41,214.36

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Solution

The fourth proportional to 74,748.12, 103,147.50 and 41,214.36 is: 56,873.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.12 : 103,147.50 = 41,214.36 : x
  2. Step 2: Convert to fraction form
    74,748.12/103,147.50 = 41,214.36/x
  3. Step 3: Cross multiply
    74,748.12x = 103,147.50 × 41,214.36
  4. Step 4: Simplify right side
    74,748.12x = 4,251,158,198.10
  5. Step 5: Solve for x
    x = 4,251,158,198.10/74,748.12
  6. Step 6: Final answer
    x = 56,873.11

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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.