Home / 54,177.12-81,265.68-22,990.50

Finding the Fourth Proportional to 54,177.12, 81,265.68 and 22,990.50

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Solution

The fourth proportional to 54,177.12, 81,265.68 and 22,990.50 is: 34,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.12 : 81,265.68 = 22,990.50 : x
  2. Step 2: Convert to fraction form
    54,177.12/81,265.68 = 22,990.50/x
  3. Step 3: Cross multiply
    54,177.12x = 81,265.68 × 22,990.50
  4. Step 4: Simplify right side
    54,177.12x = 1,868,338,616.04
  5. Step 5: Solve for x
    x = 1,868,338,616.04/54,177.12
  6. Step 6: Final answer
    x = 34,485.75

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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.