Home / 79,515.03-109,725.12-43,707.36

Finding the Fourth Proportional to 79,515.03, 109,725.12 and 43,707.36

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Solution

The fourth proportional to 79,515.03, 109,725.12 and 43,707.36 is: 60,313.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.03 : 109,725.12 = 43,707.36 : x
  2. Step 2: Convert to fraction form
    79,515.03/109,725.12 = 43,707.36/x
  3. Step 3: Cross multiply
    79,515.03x = 109,725.12 × 43,707.36
  4. Step 4: Simplify right side
    79,515.03x = 4,795,795,320.88
  5. Step 5: Solve for x
    x = 4,795,795,320.88/79,515.03
  6. Step 6: Final answer
    x = 60,313.07

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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.