Home / 71,813.85-99,115.12-41,617.54

Finding the Fourth Proportional to 71,813.85, 99,115.12 and 41,617.54

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Solution

The fourth proportional to 71,813.85, 99,115.12 and 41,617.54 is: 57,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,813.85 : 99,115.12 = 41,617.54 : x
  2. Step 2: Convert to fraction form
    71,813.85/99,115.12 = 41,617.54/x
  3. Step 3: Cross multiply
    71,813.85x = 99,115.12 × 41,617.54
  4. Step 4: Simplify right side
    71,813.85x = 4,124,927,471.20
  5. Step 5: Solve for x
    x = 4,124,927,471.20/71,813.85
  6. Step 6: Final answer
    x = 57,439.16

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1.5x scale

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.