Home / 115,791.40-173,687.10-36,913.60

Finding the Fourth Proportional to 115,791.40, 173,687.10 and 36,913.60

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Solution

The fourth proportional to 115,791.40, 173,687.10 and 36,913.60 is: 55,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,791.40 : 173,687.10 = 36,913.60 : x
  2. Step 2: Convert to fraction form
    115,791.40/173,687.10 = 36,913.60/x
  3. Step 3: Cross multiply
    115,791.40x = 173,687.10 × 36,913.60
  4. Step 4: Simplify right side
    115,791.40x = 6,411,416,134.56
  5. Step 5: Solve for x
    x = 6,411,416,134.56/115,791.40
  6. Step 6: Final answer
    x = 55,370.40

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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.