Home / 67,712.24-101,448.48-45,544.16

Finding the Fourth Proportional to 67,712.24, 101,448.48 and 45,544.16

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Solution

The fourth proportional to 67,712.24, 101,448.48 and 45,544.16 is: 68,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712.24 : 101,448.48 = 45,544.16 : x
  2. Step 2: Convert to fraction form
    67,712.24/101,448.48 = 45,544.16/x
  3. Step 3: Cross multiply
    67,712.24x = 101,448.48 × 45,544.16
  4. Step 4: Simplify right side
    67,712.24x = 4,620,385,804.88
  5. Step 5: Solve for x
    x = 4,620,385,804.88/67,712.24
  6. Step 6: Final answer
    x = 68,235.61

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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.