Home / 84,037.23-115,969.89-45,797.12

Finding the Fourth Proportional to 84,037.23, 115,969.89 and 45,797.12

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Solution

The fourth proportional to 84,037.23, 115,969.89 and 45,797.12 is: 63,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.23 : 115,969.89 = 45,797.12 : x
  2. Step 2: Convert to fraction form
    84,037.23/115,969.89 = 45,797.12/x
  3. Step 3: Cross multiply
    84,037.23x = 115,969.89 × 45,797.12
  4. Step 4: Simplify right side
    84,037.23x = 5,311,086,388.87
  5. Step 5: Solve for x
    x = 5,311,086,388.87/84,037.23
  6. Step 6: Final answer
    x = 63,199.21

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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.