Home / 79,121.04-118,728.24-29,236.44

Finding the Fourth Proportional to 79,121.04, 118,728.24 and 29,236.44

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Solution

The fourth proportional to 79,121.04, 118,728.24 and 29,236.44 is: 43,871.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,121.04 : 118,728.24 = 29,236.44 : x
  2. Step 2: Convert to fraction form
    79,121.04/118,728.24 = 29,236.44/x
  3. Step 3: Cross multiply
    79,121.04x = 118,728.24 × 29,236.44
  4. Step 4: Simplify right side
    79,121.04x = 3,471,191,065.07
  5. Step 5: Solve for x
    x = 3,471,191,065.07/79,121.04
  6. Step 6: Final answer
    x = 43,871.91

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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.