Home / 79,440.42-109,627.62-43,630.74

Finding the Fourth Proportional to 79,440.42, 109,627.62 and 43,630.74

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Solution

The fourth proportional to 79,440.42, 109,627.62 and 43,630.74 is: 60,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440.42 : 109,627.62 = 43,630.74 : x
  2. Step 2: Convert to fraction form
    79,440.42/109,627.62 = 43,630.74/x
  3. Step 3: Cross multiply
    79,440.42x = 109,627.62 × 43,630.74
  4. Step 4: Simplify right side
    79,440.42x = 4,783,134,185.04
  5. Step 5: Solve for x
    x = 4,783,134,185.04/79,440.42
  6. Step 6: Final answer
    x = 60,210.33

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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.