Home / 75,154.64-103,713.20-43,323.36

Finding the Fourth Proportional to 75,154.64, 103,713.20 and 43,323.36

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Solution

The fourth proportional to 75,154.64, 103,713.20 and 43,323.36 is: 59,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,154.64 : 103,713.20 = 43,323.36 : x
  2. Step 2: Convert to fraction form
    75,154.64/103,713.20 = 43,323.36/x
  3. Step 3: Cross multiply
    75,154.64x = 103,713.20 × 43,323.36
  4. Step 4: Simplify right side
    75,154.64x = 4,493,204,300.35
  5. Step 5: Solve for x
    x = 4,493,204,300.35/75,154.64
  6. Step 6: Final answer
    x = 59,786.12

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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.