Home / 79,440.59-109,628.07-43,632.38

Finding the Fourth Proportional to 79,440.59, 109,628.07 and 43,632.38

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Solution

The fourth proportional to 79,440.59, 109,628.07 and 43,632.38 is: 60,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.59 : 109,628.07 = 43,632.38 : x
  2. Step 2: Convert to fraction form
    79,440.59/109,628.07 = 43,632.38/x
  3. Step 3: Cross multiply
    79,440.59x = 109,628.07 × 43,632.38
  4. Step 4: Simplify right side
    79,440.59x = 4,783,333,608.91
  5. Step 5: Solve for x
    x = 4,783,333,608.91/79,440.59
  6. Step 6: Final answer
    x = 60,212.72

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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.