Home / 46,180.45-69,260.62-12,445.68

Finding the Fourth Proportional to 46,180.45, 69,260.62 and 12,445.68

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Solution

The fourth proportional to 46,180.45, 69,260.62 and 12,445.68 is: 18,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,180.45 : 69,260.62 = 12,445.68 : x
  2. Step 2: Convert to fraction form
    46,180.45/69,260.62 = 12,445.68/x
  3. Step 3: Cross multiply
    46,180.45x = 69,260.62 × 12,445.68
  4. Step 4: Simplify right side
    46,180.45x = 861,995,513.12
  5. Step 5: Solve for x
    x = 861,995,513.12/46,180.45
  6. Step 6: Final answer
    x = 18,665.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.