Home / 75,107.84-103,661.52-43,295.23

Finding the Fourth Proportional to 75,107.84, 103,661.52 and 43,295.23

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Solution

The fourth proportional to 75,107.84, 103,661.52 and 43,295.23 is: 59,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,107.84 : 103,661.52 = 43,295.23 : x
  2. Step 2: Convert to fraction form
    75,107.84/103,661.52 = 43,295.23/x
  3. Step 3: Cross multiply
    75,107.84x = 103,661.52 × 43,295.23
  4. Step 4: Simplify right side
    75,107.84x = 4,488,049,350.55
  5. Step 5: Solve for x
    x = 4,488,049,350.55/75,107.84
  6. Step 6: Final answer
    x = 59,754.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.