Home / 54,772.20-82,158.30-46,315.80

Finding the Fourth Proportional to 54,772.20, 82,158.30 and 46,315.80

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Solution

The fourth proportional to 54,772.20, 82,158.30 and 46,315.80 is: 69,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.20 : 82,158.30 = 46,315.80 : x
  2. Step 2: Convert to fraction form
    54,772.20/82,158.30 = 46,315.80/x
  3. Step 3: Cross multiply
    54,772.20x = 82,158.30 × 46,315.80
  4. Step 4: Simplify right side
    54,772.20x = 3,805,227,391.14
  5. Step 5: Solve for x
    x = 3,805,227,391.14/54,772.20
  6. Step 6: Final answer
    x = 69,473.70

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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.