Home / 75,276.26-103,873.75-43,455.41

Finding the Fourth Proportional to 75,276.26, 103,873.75 and 43,455.41

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Solution

The fourth proportional to 75,276.26, 103,873.75 and 43,455.41 is: 59,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.26 : 103,873.75 = 43,455.41 : x
  2. Step 2: Convert to fraction form
    75,276.26/103,873.75 = 43,455.41/x
  3. Step 3: Cross multiply
    75,276.26x = 103,873.75 × 43,455.41
  4. Step 4: Simplify right side
    75,276.26x = 4,513,876,394.49
  5. Step 5: Solve for x
    x = 4,513,876,394.49/75,276.26
  6. Step 6: Final answer
    x = 59,964.14

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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.