Home / 73,185.04-100,995.42-39,651.04

Finding the Fourth Proportional to 73,185.04, 100,995.42 and 39,651.04

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Solution

The fourth proportional to 73,185.04, 100,995.42 and 39,651.04 is: 54,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,185.04 : 100,995.42 = 39,651.04 : x
  2. Step 2: Convert to fraction form
    73,185.04/100,995.42 = 39,651.04/x
  3. Step 3: Cross multiply
    73,185.04x = 100,995.42 × 39,651.04
  4. Step 4: Simplify right side
    73,185.04x = 4,004,573,438.24
  5. Step 5: Solve for x
    x = 4,004,573,438.24/73,185.04
  6. Step 6: Final answer
    x = 54,718.47

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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.