Home / 75,157.64-103,717.34-43,326.36

Finding the Fourth Proportional to 75,157.64, 103,717.34 and 43,326.36

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Solution

The fourth proportional to 75,157.64, 103,717.34 and 43,326.36 is: 59,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,157.64 : 103,717.34 = 43,326.36 : x
  2. Step 2: Convert to fraction form
    75,157.64/103,717.34 = 43,326.36/x
  3. Step 3: Cross multiply
    75,157.64x = 103,717.34 × 43,326.36
  4. Step 4: Simplify right side
    75,157.64x = 4,493,694,811.08
  5. Step 5: Solve for x
    x = 4,493,694,811.08/75,157.64
  6. Step 6: Final answer
    x = 59,790.26

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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.