Home / 54,191.49-81,182.06-39,934.09

Finding the Fourth Proportional to 54,191.49, 81,182.06 and 39,934.09

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Solution

The fourth proportional to 54,191.49, 81,182.06 and 39,934.09 is: 59,823.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,191.49 : 81,182.06 = 39,934.09 : x
  2. Step 2: Convert to fraction form
    54,191.49/81,182.06 = 39,934.09/x
  3. Step 3: Cross multiply
    54,191.49x = 81,182.06 × 39,934.09
  4. Step 4: Simplify right side
    54,191.49x = 3,241,931,690.43
  5. Step 5: Solve for x
    x = 3,241,931,690.43/54,191.49
  6. Step 6: Final answer
    x = 59,823.63

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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.