Home / 54,983.40-82,475.10-47,110.20

Finding the Fourth Proportional to 54,983.40, 82,475.10 and 47,110.20

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Solution

The fourth proportional to 54,983.40, 82,475.10 and 47,110.20 is: 70,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,983.40 : 82,475.10 = 47,110.20 : x
  2. Step 2: Convert to fraction form
    54,983.40/82,475.10 = 47,110.20/x
  3. Step 3: Cross multiply
    54,983.40x = 82,475.10 × 47,110.20
  4. Step 4: Simplify right side
    54,983.40x = 3,885,418,456.02
  5. Step 5: Solve for x
    x = 3,885,418,456.02/54,983.40
  6. Step 6: Final answer
    x = 70,665.30

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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.