Home / 44,320.14-66,464.88-12,721.64

Finding the Fourth Proportional to 44,320.14, 66,464.88 and 12,721.64

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Solution

The fourth proportional to 44,320.14, 66,464.88 and 12,721.64 is: 19,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,320.14 : 66,464.88 = 12,721.64 : x
  2. Step 2: Convert to fraction form
    44,320.14/66,464.88 = 12,721.64/x
  3. Step 3: Cross multiply
    44,320.14x = 66,464.88 × 12,721.64
  4. Step 4: Simplify right side
    44,320.14x = 845,541,943.68
  5. Step 5: Solve for x
    x = 845,541,943.68/44,320.14
  6. Step 6: Final answer
    x = 19,078.05

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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.