Home / 115,054.20-172,510.83-44,851.50

Finding the Fourth Proportional to 115,054.20, 172,510.83 and 44,851.50

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Solution

The fourth proportional to 115,054.20, 172,510.83 and 44,851.50 is: 67,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,054.20 : 172,510.83 = 44,851.50 : x
  2. Step 2: Convert to fraction form
    115,054.20/172,510.83 = 44,851.50/x
  3. Step 3: Cross multiply
    115,054.20x = 172,510.83 × 44,851.50
  4. Step 4: Simplify right side
    115,054.20x = 7,737,369,491.75
  5. Step 5: Solve for x
    x = 7,737,369,491.75/115,054.20
  6. Step 6: Final answer
    x = 67,249.78

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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.