Home / 75,156.64-103,715.96-43,325.36

Finding the Fourth Proportional to 75,156.64, 103,715.96 and 43,325.36

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Solution

The fourth proportional to 75,156.64, 103,715.96 and 43,325.36 is: 59,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,156.64 : 103,715.96 = 43,325.36 : x
  2. Step 2: Convert to fraction form
    75,156.64/103,715.96 = 43,325.36/x
  3. Step 3: Cross multiply
    75,156.64x = 103,715.96 × 43,325.36
  4. Step 4: Simplify right side
    75,156.64x = 4,493,531,304.75
  5. Step 5: Solve for x
    x = 4,493,531,304.75/75,156.64
  6. Step 6: Final answer
    x = 59,788.88

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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.