Home / 79,150.29-109,227.36-43,340.28

Finding the Fourth Proportional to 79,150.29, 109,227.36 and 43,340.28

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Solution

The fourth proportional to 79,150.29, 109,227.36 and 43,340.28 is: 59,809.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.29 : 109,227.36 = 43,340.28 : x
  2. Step 2: Convert to fraction form
    79,150.29/109,227.36 = 43,340.28/x
  3. Step 3: Cross multiply
    79,150.29x = 109,227.36 × 43,340.28
  4. Step 4: Simplify right side
    79,150.29x = 4,733,944,366.06
  5. Step 5: Solve for x
    x = 4,733,944,366.06/79,150.29
  6. Step 6: Final answer
    x = 59,809.56

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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.