Home / 44,721.04-67,091.96-13,129.84

Finding the Fourth Proportional to 44,721.04, 67,091.96 and 13,129.84

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Solution

The fourth proportional to 44,721.04, 67,091.96 and 13,129.84 is: 19,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,721.04 : 67,091.96 = 13,129.84 : x
  2. Step 2: Convert to fraction form
    44,721.04/67,091.96 = 13,129.84/x
  3. Step 3: Cross multiply
    44,721.04x = 67,091.96 × 13,129.84
  4. Step 4: Simplify right side
    44,721.04x = 880,906,700.09
  5. Step 5: Solve for x
    x = 880,906,700.09/44,721.04
  6. Step 6: Final answer
    x = 19,697.81

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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.