Home / 79,291.45-109,423.70-43,479.32

Finding the Fourth Proportional to 79,291.45, 109,423.70 and 43,479.32

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Solution

The fourth proportional to 79,291.45, 109,423.70 and 43,479.32 is: 60,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291.45 : 109,423.70 = 43,479.32 : x
  2. Step 2: Convert to fraction form
    79,291.45/109,423.70 = 43,479.32/x
  3. Step 3: Cross multiply
    79,291.45x = 109,423.70 × 43,479.32
  4. Step 4: Simplify right side
    79,291.45x = 4,757,668,450.14
  5. Step 5: Solve for x
    x = 4,757,668,450.14/79,291.45
  6. Step 6: Final answer
    x = 60,002.29

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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.