Home / 54,443.60-75,144.04-39,170.96

Finding the Fourth Proportional to 54,443.60, 75,144.04 and 39,170.96

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Solution

The fourth proportional to 54,443.60, 75,144.04 and 39,170.96 is: 54,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443.60 : 75,144.04 = 39,170.96 : x
  2. Step 2: Convert to fraction form
    54,443.60/75,144.04 = 39,170.96/x
  3. Step 3: Cross multiply
    54,443.60x = 75,144.04 × 39,170.96
  4. Step 4: Simplify right side
    54,443.60x = 2,943,463,711.43
  5. Step 5: Solve for x
    x = 2,943,463,711.43/54,443.60
  6. Step 6: Final answer
    x = 54,064.46

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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.