Home / 79,440.30-109,629.53-43,631.10

Finding the Fourth Proportional to 79,440.30, 109,629.53 and 43,631.10

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Solution

The fourth proportional to 79,440.30, 109,629.53 and 43,631.10 is: 60,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.30 : 109,629.53 = 43,631.10 : x
  2. Step 2: Convert to fraction form
    79,440.30/109,629.53 = 43,631.10/x
  3. Step 3: Cross multiply
    79,440.30x = 109,629.53 × 43,631.10
  4. Step 4: Simplify right side
    79,440.30x = 4,783,256,986.38
  5. Step 5: Solve for x
    x = 4,783,256,986.38/79,440.30
  6. Step 6: Final answer
    x = 60,211.97

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1.5x scale

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.