Home / 115,057.10-172,650.45-44,927.30

Finding the Fourth Proportional to 115,057.10, 172,650.45 and 44,927.30

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Solution

The fourth proportional to 115,057.10, 172,650.45 and 44,927.30 is: 67,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.10 : 172,650.45 = 44,927.30 : x
  2. Step 2: Convert to fraction form
    115,057.10/172,650.45 = 44,927.30/x
  3. Step 3: Cross multiply
    115,057.10x = 172,650.45 × 44,927.30
  4. Step 4: Simplify right side
    115,057.10x = 7,756,718,562.29
  5. Step 5: Solve for x
    x = 7,756,718,562.29/115,057.10
  6. Step 6: Final answer
    x = 67,416.25

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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.