Home / 115,232.20-172,808.70-56,029.72

Finding the Fourth Proportional to 115,232.20, 172,808.70 and 56,029.72

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Solution

The fourth proportional to 115,232.20, 172,808.70 and 56,029.72 is: 84,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232.20 : 172,808.70 = 56,029.72 : x
  2. Step 2: Convert to fraction form
    115,232.20/172,808.70 = 56,029.72/x
  3. Step 3: Cross multiply
    115,232.20x = 172,808.70 × 56,029.72
  4. Step 4: Simplify right side
    115,232.20x = 9,682,423,074.56
  5. Step 5: Solve for x
    x = 9,682,423,074.56/115,232.20
  6. Step 6: Final answer
    x = 84,025.33

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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.