Home / 79,277.36-109,401.98-43,467.28

Finding the Fourth Proportional to 79,277.36, 109,401.98 and 43,467.28

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Solution

The fourth proportional to 79,277.36, 109,401.98 and 43,467.28 is: 59,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.36 : 109,401.98 = 43,467.28 : x
  2. Step 2: Convert to fraction form
    79,277.36/109,401.98 = 43,467.28/x
  3. Step 3: Cross multiply
    79,277.36x = 109,401.98 × 43,467.28
  4. Step 4: Simplify right side
    79,277.36x = 4,755,406,006.37
  5. Step 5: Solve for x
    x = 4,755,406,006.37/79,277.36
  6. Step 6: Final answer
    x = 59,984.42

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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.