Home / 71,763.24-99,037.16-39,932.84

Finding the Fourth Proportional to 71,763.24, 99,037.16 and 39,932.84

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Solution

The fourth proportional to 71,763.24, 99,037.16 and 39,932.84 is: 55,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,763.24 : 99,037.16 = 39,932.84 : x
  2. Step 2: Convert to fraction form
    71,763.24/99,037.16 = 39,932.84/x
  3. Step 3: Cross multiply
    71,763.24x = 99,037.16 × 39,932.84
  4. Step 4: Simplify right side
    71,763.24x = 3,954,835,064.33
  5. Step 5: Solve for x
    x = 3,954,835,064.33/71,763.24
  6. Step 6: Final answer
    x = 55,109.48

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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.