Home / 44,712.75-67,079.49-13,121.52

Finding the Fourth Proportional to 44,712.75, 67,079.49 and 13,121.52

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Solution

The fourth proportional to 44,712.75, 67,079.49 and 13,121.52 is: 19,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.75 : 67,079.49 = 13,121.52 : x
  2. Step 2: Convert to fraction form
    44,712.75/67,079.49 = 13,121.52/x
  3. Step 3: Cross multiply
    44,712.75x = 67,079.49 × 13,121.52
  4. Step 4: Simplify right side
    44,712.75x = 880,184,869.62
  5. Step 5: Solve for x
    x = 880,184,869.62/44,712.75
  6. Step 6: Final answer
    x = 19,685.32

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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.