Home / 79,313.16-109,452.33-43,503.47

Finding the Fourth Proportional to 79,313.16, 109,452.33 and 43,503.47

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Solution

The fourth proportional to 79,313.16, 109,452.33 and 43,503.47 is: 60,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.16 : 109,452.33 = 43,503.47 : x
  2. Step 2: Convert to fraction form
    79,313.16/109,452.33 = 43,503.47/x
  3. Step 3: Cross multiply
    79,313.16x = 109,452.33 × 43,503.47
  4. Step 4: Simplify right side
    79,313.16x = 4,761,555,607.32
  5. Step 5: Solve for x
    x = 4,761,555,607.32/79,313.16
  6. Step 6: Final answer
    x = 60,034.87

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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.