Home / 79,135.46-109,207.26-43,328.81

Finding the Fourth Proportional to 79,135.46, 109,207.26 and 43,328.81

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Solution

The fourth proportional to 79,135.46, 109,207.26 and 43,328.81 is: 59,793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135.46 : 109,207.26 = 43,328.81 : x
  2. Step 2: Convert to fraction form
    79,135.46/109,207.26 = 43,328.81/x
  3. Step 3: Cross multiply
    79,135.46x = 109,207.26 × 43,328.81
  4. Step 4: Simplify right side
    79,135.46x = 4,731,820,619.16
  5. Step 5: Solve for x
    x = 4,731,820,619.16/79,135.46
  6. Step 6: Final answer
    x = 59,793.94

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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.