Home / 79,109.26-109,170.38-43,298.96

Finding the Fourth Proportional to 79,109.26, 109,170.38 and 43,298.96

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Solution

The fourth proportional to 79,109.26, 109,170.38 and 43,298.96 is: 59,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,109.26 : 109,170.38 = 43,298.96 : x
  2. Step 2: Convert to fraction form
    79,109.26/109,170.38 = 43,298.96/x
  3. Step 3: Cross multiply
    79,109.26x = 109,170.38 × 43,298.96
  4. Step 4: Simplify right side
    79,109.26x = 4,726,963,479.20
  5. Step 5: Solve for x
    x = 4,726,963,479.20/79,109.26
  6. Step 6: Final answer
    x = 59,752.34

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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.