Home / 115,069.01-172,578.90-36,164.78

Finding the Fourth Proportional to 115,069.01, 172,578.90 and 36,164.78

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Solution

The fourth proportional to 115,069.01, 172,578.90 and 36,164.78 is: 54,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,069.01 : 172,578.90 = 36,164.78 : x
  2. Step 2: Convert to fraction form
    115,069.01/172,578.90 = 36,164.78/x
  3. Step 3: Cross multiply
    115,069.01x = 172,578.90 × 36,164.78
  4. Step 4: Simplify right side
    115,069.01x = 6,241,277,871.04
  5. Step 5: Solve for x
    x = 6,241,277,871.04/115,069.01
  6. Step 6: Final answer
    x = 54,239.44

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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.