Home / 81,070.92-111,933.18-52,825.80

Finding the Fourth Proportional to 81,070.92, 111,933.18 and 52,825.80

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Solution

The fourth proportional to 81,070.92, 111,933.18 and 52,825.80 is: 72,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,070.92 : 111,933.18 = 52,825.80 : x
  2. Step 2: Convert to fraction form
    81,070.92/111,933.18 = 52,825.80/x
  3. Step 3: Cross multiply
    81,070.92x = 111,933.18 × 52,825.80
  4. Step 4: Simplify right side
    81,070.92x = 5,912,959,780.04
  5. Step 5: Solve for x
    x = 5,912,959,780.04/81,070.92
  6. Step 6: Final answer
    x = 72,935.64

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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.