Home / 73,934.06-110,868.15-21,331.04

Finding the Fourth Proportional to 73,934.06, 110,868.15 and 21,331.04

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Solution

The fourth proportional to 73,934.06, 110,868.15 and 21,331.04 is: 31,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,934.06 : 110,868.15 = 21,331.04 : x
  2. Step 2: Convert to fraction form
    73,934.06/110,868.15 = 21,331.04/x
  3. Step 3: Cross multiply
    73,934.06x = 110,868.15 × 21,331.04
  4. Step 4: Simplify right side
    73,934.06x = 2,364,932,942.38
  5. Step 5: Solve for x
    x = 2,364,932,942.38/73,934.06
  6. Step 6: Final answer
    x = 31,987.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.