Home / 75,275.26-103,872.37-43,454.41

Finding the Fourth Proportional to 75,275.26, 103,872.37 and 43,454.41

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Solution

The fourth proportional to 75,275.26, 103,872.37 and 43,454.41 is: 59,962.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,275.26 : 103,872.37 = 43,454.41 : x
  2. Step 2: Convert to fraction form
    75,275.26/103,872.37 = 43,454.41/x
  3. Step 3: Cross multiply
    75,275.26x = 103,872.37 × 43,454.41
  4. Step 4: Simplify right side
    75,275.26x = 4,513,712,553.65
  5. Step 5: Solve for x
    x = 4,513,712,553.65/75,275.26
  6. Step 6: Final answer
    x = 59,962.76

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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.