Home / 115,725.48-173,589.66-36,839.40

Finding the Fourth Proportional to 115,725.48, 173,589.66 and 36,839.40

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Solution

The fourth proportional to 115,725.48, 173,589.66 and 36,839.40 is: 55,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,725.48 : 173,589.66 = 36,839.40 : x
  2. Step 2: Convert to fraction form
    115,725.48/173,589.66 = 36,839.40/x
  3. Step 3: Cross multiply
    115,725.48x = 173,589.66 × 36,839.40
  4. Step 4: Simplify right side
    115,725.48x = 6,394,938,920.60
  5. Step 5: Solve for x
    x = 6,394,938,920.60/115,725.48
  6. Step 6: Final answer
    x = 55,259.56

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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.