Home / 71,834.22-99,130.68-41,618.90

Finding the Fourth Proportional to 71,834.22, 99,130.68 and 41,618.90

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Solution

The fourth proportional to 71,834.22, 99,130.68 and 41,618.90 is: 57,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,834.22 : 99,130.68 = 41,618.90 : x
  2. Step 2: Convert to fraction form
    71,834.22/99,130.68 = 41,618.90/x
  3. Step 3: Cross multiply
    71,834.22x = 99,130.68 × 41,618.90
  4. Step 4: Simplify right side
    71,834.22x = 4,125,709,362.20
  5. Step 5: Solve for x
    x = 4,125,709,362.20/71,834.22
  6. Step 6: Final answer
    x = 57,433.76

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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.