Home / 115,043.12-172,553.34-36,155.24

Finding the Fourth Proportional to 115,043.12, 172,553.34 and 36,155.24

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Solution

The fourth proportional to 115,043.12, 172,553.34 and 36,155.24 is: 54,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,043.12 : 172,553.34 = 36,155.24 : x
  2. Step 2: Convert to fraction form
    115,043.12/172,553.34 = 36,155.24/x
  3. Step 3: Cross multiply
    115,043.12x = 172,553.34 × 36,155.24
  4. Step 4: Simplify right side
    115,043.12x = 6,238,707,420.50
  5. Step 5: Solve for x
    x = 6,238,707,420.50/115,043.12
  6. Step 6: Final answer
    x = 54,229.30

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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.