Home / 115,052.48-172,578.72-36,173.60

Finding the Fourth Proportional to 115,052.48, 172,578.72 and 36,173.60

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Solution

The fourth proportional to 115,052.48, 172,578.72 and 36,173.60 is: 54,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,052.48 : 172,578.72 = 36,173.60 : x
  2. Step 2: Convert to fraction form
    115,052.48/172,578.72 = 36,173.60/x
  3. Step 3: Cross multiply
    115,052.48x = 172,578.72 × 36,173.60
  4. Step 4: Simplify right side
    115,052.48x = 6,242,793,585.79
  5. Step 5: Solve for x
    x = 6,242,793,585.79/115,052.48
  6. Step 6: Final answer
    x = 54,260.40

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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.