Home / 81,278.92-112,173.38-46,824.88

Finding the Fourth Proportional to 81,278.92, 112,173.38 and 46,824.88

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Solution

The fourth proportional to 81,278.92, 112,173.38 and 46,824.88 is: 64,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,278.92 : 112,173.38 = 46,824.88 : x
  2. Step 2: Convert to fraction form
    81,278.92/112,173.38 = 46,824.88/x
  3. Step 3: Cross multiply
    81,278.92x = 112,173.38 × 46,824.88
  4. Step 4: Simplify right side
    81,278.92x = 5,252,505,057.69
  5. Step 5: Solve for x
    x = 5,252,505,057.69/81,278.92
  6. Step 6: Final answer
    x = 64,623.21

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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.