Home / 79,512.32-109,725.17-43,212.92

Finding the Fourth Proportional to 79,512.32, 109,725.17 and 43,212.92

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Solution

The fourth proportional to 79,512.32, 109,725.17 and 43,212.92 is: 59,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.32 : 109,725.17 = 43,212.92 : x
  2. Step 2: Convert to fraction form
    79,512.32/109,725.17 = 43,212.92/x
  3. Step 3: Cross multiply
    79,512.32x = 109,725.17 × 43,212.92
  4. Step 4: Simplify right side
    79,512.32x = 4,741,544,228.51
  5. Step 5: Solve for x
    x = 4,741,544,228.51/79,512.32
  6. Step 6: Final answer
    x = 59,632.82

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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.