Home / 54,760.43-75,568.03-30,885.22

Finding the Fourth Proportional to 54,760.43, 75,568.03 and 30,885.22

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Solution

The fourth proportional to 54,760.43, 75,568.03 and 30,885.22 is: 42,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,760.43 : 75,568.03 = 30,885.22 : x
  2. Step 2: Convert to fraction form
    54,760.43/75,568.03 = 30,885.22/x
  3. Step 3: Cross multiply
    54,760.43x = 75,568.03 × 30,885.22
  4. Step 4: Simplify right side
    54,760.43x = 2,333,935,417.87
  5. Step 5: Solve for x
    x = 2,333,935,417.87/54,760.43
  6. Step 6: Final answer
    x = 42,620.84

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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.