Home / 55,653.43-76,813.34-51,170.08

Finding the Fourth Proportional to 55,653.43, 76,813.34 and 51,170.08

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Solution

The fourth proportional to 55,653.43, 76,813.34 and 51,170.08 is: 70,625.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.43 : 76,813.34 = 51,170.08 : x
  2. Step 2: Convert to fraction form
    55,653.43/76,813.34 = 51,170.08/x
  3. Step 3: Cross multiply
    55,653.43x = 76,813.34 × 51,170.08
  4. Step 4: Simplify right side
    55,653.43x = 3,930,544,752.87
  5. Step 5: Solve for x
    x = 3,930,544,752.87/55,653.43
  6. Step 6: Final answer
    x = 70,625.38

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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.