Home / 79,313.08-109,414.32-47,475.86

Finding the Fourth Proportional to 79,313.08, 109,414.32 and 47,475.86

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Solution

The fourth proportional to 79,313.08, 109,414.32 and 47,475.86 is: 65,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.08 : 109,414.32 = 47,475.86 : x
  2. Step 2: Convert to fraction form
    79,313.08/109,414.32 = 47,475.86/x
  3. Step 3: Cross multiply
    79,313.08x = 109,414.32 × 47,475.86
  4. Step 4: Simplify right side
    79,313.08x = 5,194,538,938.32
  5. Step 5: Solve for x
    x = 5,194,538,938.32/79,313.08
  6. Step 6: Final answer
    x = 65,494.10

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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.